Home / 1,418,561.76-2,126,719.44-708,198.24

Finding the Fourth Proportional to 1,418,561.76, 2,126,719.44 and 708,198.24

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Solution

The fourth proportional to 1,418,561.76, 2,126,719.44 and 708,198.24 is: 1,061,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,561.76 : 2,126,719.44 = 708,198.24 : x
  2. Step 2: Convert to fraction form
    1,418,561.76/2,126,719.44 = 708,198.24/x
  3. Step 3: Cross multiply
    1,418,561.76x = 2,126,719.44 × 708,198.24
  4. Step 4: Simplify right side
    1,418,561.76x = 1,506,138,964,381.79
  5. Step 5: Solve for x
    x = 1,506,138,964,381.79/1,418,561.76
  6. Step 6: Final answer
    x = 1,061,736.62

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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.