Home / 456,511.30-684,766.95-156,965.20

Finding the Fourth Proportional to 456,511.30, 684,766.95 and 156,965.20

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Solution

The fourth proportional to 456,511.30, 684,766.95 and 156,965.20 is: 235,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,511.30 : 684,766.95 = 156,965.20 : x
  2. Step 2: Convert to fraction form
    456,511.30/684,766.95 = 156,965.20/x
  3. Step 3: Cross multiply
    456,511.30x = 684,766.95 × 156,965.20
  4. Step 4: Simplify right side
    456,511.30x = 107,484,581,260.14
  5. Step 5: Solve for x
    x = 107,484,581,260.14/456,511.30
  6. Step 6: Final answer
    x = 235,447.80

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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.