Home / 787,687.11-1,086,570.52-516,192.93

Finding the Fourth Proportional to 787,687.11, 1,086,570.52 and 516,192.93

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Solution

The fourth proportional to 787,687.11, 1,086,570.52 and 516,192.93 is: 712,059.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,687.11 : 1,086,570.52 = 516,192.93 : x
  2. Step 2: Convert to fraction form
    787,687.11/1,086,570.52 = 516,192.93/x
  3. Step 3: Cross multiply
    787,687.11x = 1,086,570.52 × 516,192.93
  4. Step 4: Simplify right side
    787,687.11x = 560,880,019,079.94
  5. Step 5: Solve for x
    x = 560,880,019,079.94/787,687.11
  6. Step 6: Final answer
    x = 712,059.41

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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.