Home / 1,391,614.92-2,086,764.45-539,085.87

Finding the Fourth Proportional to 1,391,614.92, 2,086,764.45 and 539,085.87

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Solution

The fourth proportional to 1,391,614.92, 2,086,764.45 and 539,085.87 is: 808,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,614.92 : 2,086,764.45 = 539,085.87 : x
  2. Step 2: Convert to fraction form
    1,391,614.92/2,086,764.45 = 539,085.87/x
  3. Step 3: Cross multiply
    1,391,614.92x = 2,086,764.45 × 539,085.87
  4. Step 4: Simplify right side
    1,391,614.92x = 1,124,945,229,013.32
  5. Step 5: Solve for x
    x = 1,124,945,229,013.32/1,391,614.92
  6. Step 6: Final answer
    x = 808,373.94

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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.