Home / 1,418,134.32-2,127,219.92-471,505.04

Finding the Fourth Proportional to 1,418,134.32, 2,127,219.92 and 471,505.04

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Solution

The fourth proportional to 1,418,134.32, 2,127,219.92 and 471,505.04 is: 707,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,134.32 : 2,127,219.92 = 471,505.04 : x
  2. Step 2: Convert to fraction form
    1,418,134.32/2,127,219.92 = 471,505.04/x
  3. Step 3: Cross multiply
    1,418,134.32x = 2,127,219.92 × 471,505.04
  4. Step 4: Simplify right side
    1,418,134.32x = 1,002,994,900,474.77
  5. Step 5: Solve for x
    x = 1,002,994,900,474.77/1,418,134.32
  6. Step 6: Final answer
    x = 707,263.68

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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.