Home / 578,511.10-867,766.65-566,701.30

Finding the Fourth Proportional to 578,511.10, 867,766.65 and 566,701.30

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Solution

The fourth proportional to 578,511.10, 867,766.65 and 566,701.30 is: 850,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,511.10 : 867,766.65 = 566,701.30 : x
  2. Step 2: Convert to fraction form
    578,511.10/867,766.65 = 566,701.30/x
  3. Step 3: Cross multiply
    578,511.10x = 867,766.65 × 566,701.30
  4. Step 4: Simplify right side
    578,511.10x = 491,764,488,651.65
  5. Step 5: Solve for x
    x = 491,764,488,651.65/578,511.10
  6. Step 6: Final answer
    x = 850,051.95

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Double scale
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Similar ratio
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1.5x scale

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.