Home / 456,044.20-684,066.30-288,082.60

Finding the Fourth Proportional to 456,044.20, 684,066.30 and 288,082.60

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Solution

The fourth proportional to 456,044.20, 684,066.30 and 288,082.60 is: 432,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,044.20 : 684,066.30 = 288,082.60 : x
  2. Step 2: Convert to fraction form
    456,044.20/684,066.30 = 288,082.60/x
  3. Step 3: Cross multiply
    456,044.20x = 684,066.30 × 288,082.60
  4. Step 4: Simplify right side
    456,044.20x = 197,067,598,276.38
  5. Step 5: Solve for x
    x = 197,067,598,276.38/456,044.20
  6. Step 6: Final answer
    x = 432,123.90

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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.