Home / 1,372,121.10-2,058,181.65-624,167.10

Finding the Fourth Proportional to 1,372,121.10, 2,058,181.65 and 624,167.10

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Solution

The fourth proportional to 1,372,121.10, 2,058,181.65 and 624,167.10 is: 936,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,121.10 : 2,058,181.65 = 624,167.10 : x
  2. Step 2: Convert to fraction form
    1,372,121.10/2,058,181.65 = 624,167.10/x
  3. Step 3: Cross multiply
    1,372,121.10x = 2,058,181.65 × 624,167.10
  4. Step 4: Simplify right side
    1,372,121.10x = 1,284,649,271,753.71
  5. Step 5: Solve for x
    x = 1,284,649,271,753.71/1,372,121.10
  6. Step 6: Final answer
    x = 936,250.65

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Half scale
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Double scale
Find fourth proportional to 1,372,122.10, 2,058,183.15 and 624,168.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.