Home / 1,101,898.33-1,520,630.96-618,453.78

Finding the Fourth Proportional to 1,101,898.33, 1,520,630.96 and 618,453.78

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Solution

The fourth proportional to 1,101,898.33, 1,520,630.96 and 618,453.78 is: 853,472.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,898.33 : 1,520,630.96 = 618,453.78 : x
  2. Step 2: Convert to fraction form
    1,101,898.33/1,520,630.96 = 618,453.78/x
  3. Step 3: Cross multiply
    1,101,898.33x = 1,520,630.96 × 618,453.78
  4. Step 4: Simplify right side
    1,101,898.33x = 940,439,956,402.39
  5. Step 5: Solve for x
    x = 940,439,956,402.39/1,101,898.33
  6. Step 6: Final answer
    x = 853,472.53

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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.