Home / 871,409.36-1,202,520.92-484,214.78

Finding the Fourth Proportional to 871,409.36, 1,202,520.92 and 484,214.78

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Solution

The fourth proportional to 871,409.36, 1,202,520.92 and 484,214.78 is: 668,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,409.36 : 1,202,520.92 = 484,214.78 : x
  2. Step 2: Convert to fraction form
    871,409.36/1,202,520.92 = 484,214.78/x
  3. Step 3: Cross multiply
    871,409.36x = 1,202,520.92 × 484,214.78
  4. Step 4: Simplify right side
    871,409.36x = 582,278,402,723.20
  5. Step 5: Solve for x
    x = 582,278,402,723.20/871,409.36
  6. Step 6: Final answer
    x = 668,203.06

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1.5x scale

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.