Home / 627,127.16-865,437.62-369,013.95

Finding the Fourth Proportional to 627,127.16, 865,437.62 and 369,013.95

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Solution

The fourth proportional to 627,127.16, 865,437.62 and 369,013.95 is: 509,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,127.16 : 865,437.62 = 369,013.95 : x
  2. Step 2: Convert to fraction form
    627,127.16/865,437.62 = 369,013.95/x
  3. Step 3: Cross multiply
    627,127.16x = 865,437.62 × 369,013.95
  4. Step 4: Simplify right side
    627,127.16x = 319,358,552,789.73
  5. Step 5: Solve for x
    x = 319,358,552,789.73/627,127.16
  6. Step 6: Final answer
    x = 509,240.51

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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.