Home / 679,146.45-937,227.66-424,645.17

Finding the Fourth Proportional to 679,146.45, 937,227.66 and 424,645.17

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Solution

The fourth proportional to 679,146.45, 937,227.66 and 424,645.17 is: 586,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,146.45 : 937,227.66 = 424,645.17 : x
  2. Step 2: Convert to fraction form
    679,146.45/937,227.66 = 424,645.17/x
  3. Step 3: Cross multiply
    679,146.45x = 937,227.66 × 424,645.17
  4. Step 4: Simplify right side
    679,146.45x = 397,989,192,200.04
  5. Step 5: Solve for x
    x = 397,989,192,200.04/679,146.45
  6. Step 6: Final answer
    x = 586,013.80

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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.