Home / 808,856.52-1,116,320.84-464,691.80

Finding the Fourth Proportional to 808,856.52, 1,116,320.84 and 464,691.80

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Solution

The fourth proportional to 808,856.52, 1,116,320.84 and 464,691.80 is: 641,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,856.52 : 1,116,320.84 = 464,691.80 : x
  2. Step 2: Convert to fraction form
    808,856.52/1,116,320.84 = 464,691.80/x
  3. Step 3: Cross multiply
    808,856.52x = 1,116,320.84 × 464,691.80
  4. Step 4: Simplify right side
    808,856.52x = 518,745,140,517.11
  5. Step 5: Solve for x
    x = 518,745,140,517.11/808,856.52
  6. Step 6: Final answer
    x = 641,331.47

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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.