Home / 1,109,613.80-1,531,251.92-619,590.87

Finding the Fourth Proportional to 1,109,613.80, 1,531,251.92 and 619,590.87

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Solution

The fourth proportional to 1,109,613.80, 1,531,251.92 and 619,590.87 is: 855,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,613.80 : 1,531,251.92 = 619,590.87 : x
  2. Step 2: Convert to fraction form
    1,109,613.80/1,531,251.92 = 619,590.87/x
  3. Step 3: Cross multiply
    1,109,613.80x = 1,531,251.92 × 619,590.87
  4. Step 4: Simplify right side
    1,109,613.80x = 948,749,706,204.02
  5. Step 5: Solve for x
    x = 948,749,706,204.02/1,109,613.80
  6. Step 6: Final answer
    x = 855,026.96

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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.