Home / 772,618.11-1,159,260.16-417,881.85

Finding the Fourth Proportional to 772,618.11, 1,159,260.16 and 417,881.85

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Solution

The fourth proportional to 772,618.11, 1,159,260.16 and 417,881.85 is: 627,002.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,618.11 : 1,159,260.16 = 417,881.85 : x
  2. Step 2: Convert to fraction form
    772,618.11/1,159,260.16 = 417,881.85/x
  3. Step 3: Cross multiply
    772,618.11x = 1,159,260.16 × 417,881.85
  4. Step 4: Simplify right side
    772,618.11x = 484,433,780,292.10
  5. Step 5: Solve for x
    x = 484,433,780,292.10/772,618.11
  6. Step 6: Final answer
    x = 627,002.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.