Home / 1,241,227.45-1,712,882.17-689,928.71

Finding the Fourth Proportional to 1,241,227.45, 1,712,882.17 and 689,928.71

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Solution

The fourth proportional to 1,241,227.45, 1,712,882.17 and 689,928.71 is: 952,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,227.45 : 1,712,882.17 = 689,928.71 : x
  2. Step 2: Convert to fraction form
    1,241,227.45/1,712,882.17 = 689,928.71/x
  3. Step 3: Cross multiply
    1,241,227.45x = 1,712,882.17 × 689,928.71
  4. Step 4: Simplify right side
    1,241,227.45x = 1,181,766,590,740.12
  5. Step 5: Solve for x
    x = 1,181,766,590,740.12/1,241,227.45
  6. Step 6: Final answer
    x = 952,095.12

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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.