Home / 1,123,302.20-1,684,953.30-624,666.20

Finding the Fourth Proportional to 1,123,302.20, 1,684,953.30 and 624,666.20

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Solution

The fourth proportional to 1,123,302.20, 1,684,953.30 and 624,666.20 is: 936,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,302.20 : 1,684,953.30 = 624,666.20 : x
  2. Step 2: Convert to fraction form
    1,123,302.20/1,684,953.30 = 624,666.20/x
  3. Step 3: Cross multiply
    1,123,302.20x = 1,684,953.30 × 624,666.20
  4. Step 4: Simplify right side
    1,123,302.20x = 1,052,533,375,088.46
  5. Step 5: Solve for x
    x = 1,052,533,375,088.46/1,123,302.20
  6. Step 6: Final answer
    x = 936,999.30

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Double scale
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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.