Home / 778,753.11-1,074,677.16-434,585.46

Finding the Fourth Proportional to 778,753.11, 1,074,677.16 and 434,585.46

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Solution

The fourth proportional to 778,753.11, 1,074,677.16 and 434,585.46 is: 599,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,753.11 : 1,074,677.16 = 434,585.46 : x
  2. Step 2: Convert to fraction form
    778,753.11/1,074,677.16 = 434,585.46/x
  3. Step 3: Cross multiply
    778,753.11x = 1,074,677.16 × 434,585.46
  4. Step 4: Simplify right side
    778,753.11x = 467,039,067,930.09
  5. Step 5: Solve for x
    x = 467,039,067,930.09/778,753.11
  6. Step 6: Final answer
    x = 599,726.75

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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.