Home / 1,241,135.61-1,712,952.41-757,978.71

Finding the Fourth Proportional to 1,241,135.61, 1,712,952.41 and 757,978.71

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Solution

The fourth proportional to 1,241,135.61, 1,712,952.41 and 757,978.71 is: 1,046,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,135.61 : 1,712,952.41 = 757,978.71 : x
  2. Step 2: Convert to fraction form
    1,241,135.61/1,712,952.41 = 757,978.71/x
  3. Step 3: Cross multiply
    1,241,135.61x = 1,712,952.41 × 757,978.71
  4. Step 4: Simplify right side
    1,241,135.61x = 1,298,381,454,233.30
  5. Step 5: Solve for x
    x = 1,298,381,454,233.30/1,241,135.61
  6. Step 6: Final answer
    x = 1,046,123.76

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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.