Home / 679,146.20-937,227.31-424,644.92

Finding the Fourth Proportional to 679,146.20, 937,227.31 and 424,644.92

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Solution

The fourth proportional to 679,146.20, 937,227.31 and 424,644.92 is: 586,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,146.20 : 937,227.31 = 424,644.92 : x
  2. Step 2: Convert to fraction form
    679,146.20/937,227.31 = 424,644.92/x
  3. Step 3: Cross multiply
    679,146.20x = 937,227.31 × 424,644.92
  4. Step 4: Simplify right side
    679,146.20x = 397,988,811,390.63
  5. Step 5: Solve for x
    x = 397,988,811,390.63/679,146.20
  6. Step 6: Final answer
    x = 586,013.46

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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.