Home / 622,815.17-933,496.92-285,891.39

Finding the Fourth Proportional to 622,815.17, 933,496.92 and 285,891.39

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Solution

The fourth proportional to 622,815.17, 933,496.92 and 285,891.39 is: 428,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,815.17 : 933,496.92 = 285,891.39 : x
  2. Step 2: Convert to fraction form
    622,815.17/933,496.92 = 285,891.39/x
  3. Step 3: Cross multiply
    622,815.17x = 933,496.92 × 285,891.39
  4. Step 4: Simplify right side
    622,815.17x = 266,878,732,019.52
  5. Step 5: Solve for x
    x = 266,878,732,019.52/622,815.17
  6. Step 6: Final answer
    x = 428,503.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.