Home / 1,126,909.89-1,690,919.78-527,767.57

Finding the Fourth Proportional to 1,126,909.89, 1,690,919.78 and 527,767.57

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Solution

The fourth proportional to 1,126,909.89, 1,690,919.78 and 527,767.57 is: 791,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,909.89 : 1,690,919.78 = 527,767.57 : x
  2. Step 2: Convert to fraction form
    1,126,909.89/1,690,919.78 = 527,767.57/x
  3. Step 3: Cross multiply
    1,126,909.89x = 1,690,919.78 × 527,767.57
  4. Step 4: Simplify right side
    1,126,909.89x = 892,412,623,355.54
  5. Step 5: Solve for x
    x = 892,412,623,355.54/1,126,909.89
  6. Step 6: Final answer
    x = 791,911.25

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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.