Home / 925,449.85-1,277,185.89-517,589.65

Finding the Fourth Proportional to 925,449.85, 1,277,185.89 and 517,589.65

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Solution

The fourth proportional to 925,449.85, 1,277,185.89 and 517,589.65 is: 714,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,449.85 : 1,277,185.89 = 517,589.65 : x
  2. Step 2: Convert to fraction form
    925,449.85/1,277,185.89 = 517,589.65/x
  3. Step 3: Cross multiply
    925,449.85x = 1,277,185.89 × 517,589.65
  4. Step 4: Simplify right side
    925,449.85x = 661,058,197,790.04
  5. Step 5: Solve for x
    x = 661,058,197,790.04/925,449.85
  6. Step 6: Final answer
    x = 714,310.12

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Double scale
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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.