Home / 627,727.32-865,983.96-418,232.16

Finding the Fourth Proportional to 627,727.32, 865,983.96 and 418,232.16

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Solution

The fourth proportional to 627,727.32, 865,983.96 and 418,232.16 is: 576,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,727.32 : 865,983.96 = 418,232.16 : x
  2. Step 2: Convert to fraction form
    627,727.32/865,983.96 = 418,232.16/x
  3. Step 3: Cross multiply
    627,727.32x = 865,983.96 × 418,232.16
  4. Step 4: Simplify right side
    627,727.32x = 362,182,342,116.15
  5. Step 5: Solve for x
    x = 362,182,342,116.15/627,727.32
  6. Step 6: Final answer
    x = 576,974.00

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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.