Home / 735,781.44-1,015,468.56-413,505.12

Finding the Fourth Proportional to 735,781.44, 1,015,468.56 and 413,505.12

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Solution

The fourth proportional to 735,781.44, 1,015,468.56 and 413,505.12 is: 570,687.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,781.44 : 1,015,468.56 = 413,505.12 : x
  2. Step 2: Convert to fraction form
    735,781.44/1,015,468.56 = 413,505.12/x
  3. Step 3: Cross multiply
    735,781.44x = 1,015,468.56 × 413,505.12
  4. Step 4: Simplify right side
    735,781.44x = 419,901,448,759.03
  5. Step 5: Solve for x
    x = 419,901,448,759.03/735,781.44
  6. Step 6: Final answer
    x = 570,687.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.