Home / 456,046.20-684,069.30-123,622.20

Finding the Fourth Proportional to 456,046.20, 684,069.30 and 123,622.20

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Solution

The fourth proportional to 456,046.20, 684,069.30 and 123,622.20 is: 185,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,046.20 : 684,069.30 = 123,622.20 : x
  2. Step 2: Convert to fraction form
    456,046.20/684,069.30 = 123,622.20/x
  3. Step 3: Cross multiply
    456,046.20x = 684,069.30 × 123,622.20
  4. Step 4: Simplify right side
    456,046.20x = 84,566,151,818.46
  5. Step 5: Solve for x
    x = 84,566,151,818.46/456,046.20
  6. Step 6: Final answer
    x = 185,433.30

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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.