Home / 1,586,855.20-2,189,857.68-871,463.20

Finding the Fourth Proportional to 1,586,855.20, 2,189,857.68 and 871,463.20

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Solution

The fourth proportional to 1,586,855.20, 2,189,857.68 and 871,463.20 is: 1,202,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,855.20 : 2,189,857.68 = 871,463.20 : x
  2. Step 2: Convert to fraction form
    1,586,855.20/2,189,857.68 = 871,463.20/x
  3. Step 3: Cross multiply
    1,586,855.20x = 2,189,857.68 × 871,463.20
  4. Step 4: Simplify right side
    1,586,855.20x = 1,908,380,381,357.38
  5. Step 5: Solve for x
    x = 1,908,380,381,357.38/1,586,855.20
  6. Step 6: Final answer
    x = 1,202,617.85

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Double scale
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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.