Home / 2,151,331-3,227,144.19-712,011.76

Finding the Fourth Proportional to 2,151,331, 3,227,144.19 and 712,011.76

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Solution

The fourth proportional to 2,151,331, 3,227,144.19 and 712,011.76 is: 1,068,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,331 : 3,227,144.19 = 712,011.76 : x
  2. Step 2: Convert to fraction form
    2,151,331/3,227,144.19 = 712,011.76/x
  3. Step 3: Cross multiply
    2,151,331x = 3,227,144.19 × 712,011.76
  4. Step 4: Simplify right side
    2,151,331x = 2,297,764,614,495.67
  5. Step 5: Solve for x
    x = 2,297,764,614,495.67/2,151,331
  6. Step 6: Final answer
    x = 1,068,066.52

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Double scale
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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.