Home / 807,766.43-1,114,672.19-445,189.16

Finding the Fourth Proportional to 807,766.43, 1,114,672.19 and 445,189.16

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Solution

The fourth proportional to 807,766.43, 1,114,672.19 and 445,189.16 is: 614,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,766.43 : 1,114,672.19 = 445,189.16 : x
  2. Step 2: Convert to fraction form
    807,766.43/1,114,672.19 = 445,189.16/x
  3. Step 3: Cross multiply
    807,766.43x = 1,114,672.19 × 445,189.16
  4. Step 4: Simplify right side
    807,766.43x = 496,239,976,502.20
  5. Step 5: Solve for x
    x = 496,239,976,502.20/807,766.43
  6. Step 6: Final answer
    x = 614,335.98

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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.