Home / 552,864.13-763,187.91-371,681.15

Finding the Fourth Proportional to 552,864.13, 763,187.91 and 371,681.15

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Solution

The fourth proportional to 552,864.13, 763,187.91 and 371,681.15 is: 513,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,864.13 : 763,187.91 = 371,681.15 : x
  2. Step 2: Convert to fraction form
    552,864.13/763,187.91 = 371,681.15/x
  3. Step 3: Cross multiply
    552,864.13x = 763,187.91 × 371,681.15
  4. Step 4: Simplify right side
    552,864.13x = 283,662,554,380.55
  5. Step 5: Solve for x
    x = 283,662,554,380.55/552,864.13
  6. Step 6: Final answer
    x = 513,078.24

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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.