Home / 1,126,877.60-1,555,082.16-617,578.76

Finding the Fourth Proportional to 1,126,877.60, 1,555,082.16 and 617,578.76

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Solution

The fourth proportional to 1,126,877.60, 1,555,082.16 and 617,578.76 is: 852,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,877.60 : 1,555,082.16 = 617,578.76 : x
  2. Step 2: Convert to fraction form
    1,126,877.60/1,555,082.16 = 617,578.76/x
  3. Step 3: Cross multiply
    1,126,877.60x = 1,555,082.16 × 617,578.76
  4. Step 4: Simplify right side
    1,126,877.60x = 960,385,712,070.92
  5. Step 5: Solve for x
    x = 960,385,712,070.92/1,126,877.60
  6. Step 6: Final answer
    x = 852,253.80

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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.