Home / 684,401.26-1,026,601.90-185,765.26

Finding the Fourth Proportional to 684,401.26, 1,026,601.90 and 185,765.26

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Solution

The fourth proportional to 684,401.26, 1,026,601.90 and 185,765.26 is: 278,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,401.26 : 1,026,601.90 = 185,765.26 : x
  2. Step 2: Convert to fraction form
    684,401.26/1,026,601.90 = 185,765.26/x
  3. Step 3: Cross multiply
    684,401.26x = 1,026,601.90 × 185,765.26
  4. Step 4: Simplify right side
    684,401.26x = 190,706,968,869.99
  5. Step 5: Solve for x
    x = 190,706,968,869.99/684,401.26
  6. Step 6: Final answer
    x = 278,647.89

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Half scale
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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.