Home / 1,653,809.28-2,282,458.68-928,687.56

Finding the Fourth Proportional to 1,653,809.28, 2,282,458.68 and 928,687.56

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Solution

The fourth proportional to 1,653,809.28, 2,282,458.68 and 928,687.56 is: 1,281,702.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,809.28 : 2,282,458.68 = 928,687.56 : x
  2. Step 2: Convert to fraction form
    1,653,809.28/2,282,458.68 = 928,687.56/x
  3. Step 3: Cross multiply
    1,653,809.28x = 2,282,458.68 × 928,687.56
  4. Step 4: Simplify right side
    1,653,809.28x = 2,119,690,982,330.02
  5. Step 5: Solve for x
    x = 2,119,690,982,330.02/1,653,809.28
  6. Step 6: Final answer
    x = 1,281,702.19

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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.