Home / 721,246.62-994,985.19-466,679.82

Finding the Fourth Proportional to 721,246.62, 994,985.19 and 466,679.82

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Solution

The fourth proportional to 721,246.62, 994,985.19 and 466,679.82 is: 643,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,246.62 : 994,985.19 = 466,679.82 : x
  2. Step 2: Convert to fraction form
    721,246.62/994,985.19 = 466,679.82/x
  3. Step 3: Cross multiply
    721,246.62x = 994,985.19 × 466,679.82
  4. Step 4: Simplify right side
    721,246.62x = 464,339,509,371.87
  5. Step 5: Solve for x
    x = 464,339,509,371.87/721,246.62
  6. Step 6: Final answer
    x = 643,801.30

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Double scale
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1.5x scale

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.