Home / 627,166.74-865,387.50-369,261.02

Finding the Fourth Proportional to 627,166.74, 865,387.50 and 369,261.02

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Solution

The fourth proportional to 627,166.74, 865,387.50 and 369,261.02 is: 509,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,166.74 : 865,387.50 = 369,261.02 : x
  2. Step 2: Convert to fraction form
    627,166.74/865,387.50 = 369,261.02/x
  3. Step 3: Cross multiply
    627,166.74x = 865,387.50 × 369,261.02
  4. Step 4: Simplify right side
    627,166.74x = 319,553,870,945.25
  5. Step 5: Solve for x
    x = 319,553,870,945.25/627,166.74
  6. Step 6: Final answer
    x = 509,519.80

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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.