Home / 871,429.11-1,202,548.16-484,234.53

Finding the Fourth Proportional to 871,429.11, 1,202,548.16 and 484,234.53

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Solution

The fourth proportional to 871,429.11, 1,202,548.16 and 484,234.53 is: 668,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,429.11 : 1,202,548.16 = 484,234.53 : x
  2. Step 2: Convert to fraction form
    871,429.11/1,202,548.16 = 484,234.53/x
  3. Step 3: Cross multiply
    871,429.11x = 1,202,548.16 × 484,234.53
  4. Step 4: Simplify right side
    871,429.11x = 582,315,340,638.79
  5. Step 5: Solve for x
    x = 582,315,340,638.79/871,429.11
  6. Step 6: Final answer
    x = 668,230.31

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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.