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Finding the Fourth Proportional to 1,586,466, 2,189,323.08 and 871,074

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Solution

The fourth proportional to 1,586,466, 2,189,323.08 and 871,074 is: 1,202,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,466 : 2,189,323.08 = 871,074 : x
  2. Step 2: Convert to fraction form
    1,586,466/2,189,323.08 = 871,074/x
  3. Step 3: Cross multiply
    1,586,466x = 2,189,323.08 × 871,074
  4. Step 4: Simplify right side
    1,586,466x = 1,907,062,412,587.92
  5. Step 5: Solve for x
    x = 1,907,062,412,587.92/1,586,466
  6. Step 6: Final answer
    x = 1,202,082.12

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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.