Home / 871,095.40-1,202,145.57-483,940.04

Finding the Fourth Proportional to 871,095.40, 1,202,145.57 and 483,940.04

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Solution

The fourth proportional to 871,095.40, 1,202,145.57 and 483,940.04 is: 667,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,095.40 : 1,202,145.57 = 483,940.04 : x
  2. Step 2: Convert to fraction form
    871,095.40/1,202,145.57 = 483,940.04/x
  3. Step 3: Cross multiply
    871,095.40x = 1,202,145.57 × 483,940.04
  4. Step 4: Simplify right side
    871,095.40x = 581,766,369,220.90
  5. Step 5: Solve for x
    x = 581,766,369,220.90/871,095.40
  6. Step 6: Final answer
    x = 667,856.09

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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.