Home / 927,241.71-1,391,061.50-287,531.70

Finding the Fourth Proportional to 927,241.71, 1,391,061.50 and 287,531.70

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Solution

The fourth proportional to 927,241.71, 1,391,061.50 and 287,531.70 is: 431,359.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,241.71 : 1,391,061.50 = 287,531.70 : x
  2. Step 2: Convert to fraction form
    927,241.71/1,391,061.50 = 287,531.70/x
  3. Step 3: Cross multiply
    927,241.71x = 1,391,061.50 × 287,531.70
  4. Step 4: Simplify right side
    927,241.71x = 399,974,276,461.89
  5. Step 5: Solve for x
    x = 399,974,276,461.89/927,241.71
  6. Step 6: Final answer
    x = 431,359.24

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1.5x scale

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.