Home / 677,545.29-935,006.13-371,615.45

Finding the Fourth Proportional to 677,545.29, 935,006.13 and 371,615.45

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Solution

The fourth proportional to 677,545.29, 935,006.13 and 371,615.45 is: 512,825.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,545.29 : 935,006.13 = 371,615.45 : x
  2. Step 2: Convert to fraction form
    677,545.29/935,006.13 = 371,615.45/x
  3. Step 3: Cross multiply
    677,545.29x = 935,006.13 × 371,615.45
  4. Step 4: Simplify right side
    677,545.29x = 347,462,719,077.68
  5. Step 5: Solve for x
    x = 347,462,719,077.68/677,545.29
  6. Step 6: Final answer
    x = 512,825.82

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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.