Home / 928,583.19-1,281,498.17-520,815.83

Finding the Fourth Proportional to 928,583.19, 1,281,498.17 and 520,815.83

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Solution

The fourth proportional to 928,583.19, 1,281,498.17 and 520,815.83 is: 718,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,583.19 : 1,281,498.17 = 520,815.83 : x
  2. Step 2: Convert to fraction form
    928,583.19/1,281,498.17 = 520,815.83/x
  3. Step 3: Cross multiply
    928,583.19x = 1,281,498.17 × 520,815.83
  4. Step 4: Simplify right side
    928,583.19x = 667,424,524,040.46
  5. Step 5: Solve for x
    x = 667,424,524,040.46/928,583.19
  6. Step 6: Final answer
    x = 718,755.77

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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.