Home / 1,216,695.44-1,678,972.68-672,799.76

Finding the Fourth Proportional to 1,216,695.44, 1,678,972.68 and 672,799.76

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Solution

The fourth proportional to 1,216,695.44, 1,678,972.68 and 672,799.76 is: 928,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,695.44 : 1,678,972.68 = 672,799.76 : x
  2. Step 2: Convert to fraction form
    1,216,695.44/1,678,972.68 = 672,799.76/x
  3. Step 3: Cross multiply
    1,216,695.44x = 1,678,972.68 × 672,799.76
  4. Step 4: Simplify right side
    1,216,695.44x = 1,129,612,416,150.56
  5. Step 5: Solve for x
    x = 1,129,612,416,150.56/1,216,695.44
  6. Step 6: Final answer
    x = 928,426.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.