Home / 928,324.68-1,390,123.80-611,822.04

Finding the Fourth Proportional to 928,324.68, 1,390,123.80 and 611,822.04

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Solution

The fourth proportional to 928,324.68, 1,390,123.80 and 611,822.04 is: 916,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,324.68 : 1,390,123.80 = 611,822.04 : x
  2. Step 2: Convert to fraction form
    928,324.68/1,390,123.80 = 611,822.04/x
  3. Step 3: Cross multiply
    928,324.68x = 1,390,123.80 × 611,822.04
  4. Step 4: Simplify right side
    928,324.68x = 850,508,379,168.55
  5. Step 5: Solve for x
    x = 850,508,379,168.55/928,324.68
  6. Step 6: Final answer
    x = 916,175.56

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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.