Home / 925,742.82-1,277,519.19-517,842.72

Finding the Fourth Proportional to 925,742.82, 1,277,519.19 and 517,842.72

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Solution

The fourth proportional to 925,742.82, 1,277,519.19 and 517,842.72 is: 714,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,742.82 : 1,277,519.19 = 517,842.72 : x
  2. Step 2: Convert to fraction form
    925,742.82/1,277,519.19 = 517,842.72/x
  3. Step 3: Cross multiply
    925,742.82x = 1,277,519.19 × 517,842.72
  4. Step 4: Simplify right side
    925,742.82x = 661,554,013,172.75
  5. Step 5: Solve for x
    x = 661,554,013,172.75/925,742.82
  6. Step 6: Final answer
    x = 714,619.65

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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.