Home / 927,849.22-1,280,367.22-514,381.90

Finding the Fourth Proportional to 927,849.22, 1,280,367.22 and 514,381.90

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Solution

The fourth proportional to 927,849.22, 1,280,367.22 and 514,381.90 is: 709,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,849.22 : 1,280,367.22 = 514,381.90 : x
  2. Step 2: Convert to fraction form
    927,849.22/1,280,367.22 = 514,381.90/x
  3. Step 3: Cross multiply
    927,849.22x = 1,280,367.22 × 514,381.90
  4. Step 4: Simplify right side
    927,849.22x = 658,597,723,321.32
  5. Step 5: Solve for x
    x = 658,597,723,321.32/927,849.22
  6. Step 6: Final answer
    x = 709,811.15

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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.