Home / 460,654.27-687,377.96-412,781.53

Finding the Fourth Proportional to 460,654.27, 687,377.96 and 412,781.53

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Solution

The fourth proportional to 460,654.27, 687,377.96 and 412,781.53 is: 615,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,654.27 : 687,377.96 = 412,781.53 : x
  2. Step 2: Convert to fraction form
    460,654.27/687,377.96 = 412,781.53/x
  3. Step 3: Cross multiply
    460,654.27x = 687,377.96 × 412,781.53
  4. Step 4: Simplify right side
    460,654.27x = 283,736,922,580.19
  5. Step 5: Solve for x
    x = 283,736,922,580.19/460,654.27
  6. Step 6: Final answer
    x = 615,943.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.