Home / 1,057,976.62-1,586,464.65-409,856.38

Finding the Fourth Proportional to 1,057,976.62, 1,586,464.65 and 409,856.38

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Solution

The fourth proportional to 1,057,976.62, 1,586,464.65 and 409,856.38 is: 614,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,976.62 : 1,586,464.65 = 409,856.38 : x
  2. Step 2: Convert to fraction form
    1,057,976.62/1,586,464.65 = 409,856.38/x
  3. Step 3: Cross multiply
    1,057,976.62x = 1,586,464.65 × 409,856.38
  4. Step 4: Simplify right side
    1,057,976.62x = 650,222,658,446.97
  5. Step 5: Solve for x
    x = 650,222,658,446.97/1,057,976.62
  6. Step 6: Final answer
    x = 614,590.76

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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.