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Finding the Fourth Proportional to 1,373,397.93, 1,895,279.45 and 761,550.39

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Solution

The fourth proportional to 1,373,397.93, 1,895,279.45 and 761,550.39 is: 1,050,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,397.93 : 1,895,279.45 = 761,550.39 : x
  2. Step 2: Convert to fraction form
    1,373,397.93/1,895,279.45 = 761,550.39/x
  3. Step 3: Cross multiply
    1,373,397.93x = 1,895,279.45 × 761,550.39
  4. Step 4: Simplify right side
    1,373,397.93x = 1,443,350,800,498.73
  5. Step 5: Solve for x
    x = 1,443,350,800,498.73/1,373,397.93
  6. Step 6: Final answer
    x = 1,050,934.16

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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.