Home / 1,108,773.18-1,530,104.11-618,737.55

Finding the Fourth Proportional to 1,108,773.18, 1,530,104.11 and 618,737.55

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Solution

The fourth proportional to 1,108,773.18, 1,530,104.11 and 618,737.55 is: 853,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,773.18 : 1,530,104.11 = 618,737.55 : x
  2. Step 2: Convert to fraction form
    1,108,773.18/1,530,104.11 = 618,737.55/x
  3. Step 3: Cross multiply
    1,108,773.18x = 1,530,104.11 × 618,737.55
  4. Step 4: Simplify right side
    1,108,773.18x = 946,732,868,266.33
  5. Step 5: Solve for x
    x = 946,732,868,266.33/1,108,773.18
  6. Step 6: Final answer
    x = 853,856.21

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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.