Home / 930,474.64-1,284,123.17-522,600.66

Finding the Fourth Proportional to 930,474.64, 1,284,123.17 and 522,600.66

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Solution

The fourth proportional to 930,474.64, 1,284,123.17 and 522,600.66 is: 721,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,474.64 : 1,284,123.17 = 522,600.66 : x
  2. Step 2: Convert to fraction form
    930,474.64/1,284,123.17 = 522,600.66/x
  3. Step 3: Cross multiply
    930,474.64x = 1,284,123.17 × 522,600.66
  4. Step 4: Simplify right side
    930,474.64x = 671,083,617,469.79
  5. Step 5: Solve for x
    x = 671,083,617,469.79/930,474.64
  6. Step 6: Final answer
    x = 721,227.20

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1.5x scale

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.