Home / 724,532.40-1,086,798.60-607,309.20

Finding the Fourth Proportional to 724,532.40, 1,086,798.60 and 607,309.20

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Solution

The fourth proportional to 724,532.40, 1,086,798.60 and 607,309.20 is: 910,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,532.40 : 1,086,798.60 = 607,309.20 : x
  2. Step 2: Convert to fraction form
    724,532.40/1,086,798.60 = 607,309.20/x
  3. Step 3: Cross multiply
    724,532.40x = 1,086,798.60 × 607,309.20
  4. Step 4: Simplify right side
    724,532.40x = 660,022,788,327.12
  5. Step 5: Solve for x
    x = 660,022,788,327.12/724,532.40
  6. Step 6: Final answer
    x = 910,963.80

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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.