Home / 871,411.36-1,202,523.68-484,216.78

Finding the Fourth Proportional to 871,411.36, 1,202,523.68 and 484,216.78

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Solution

The fourth proportional to 871,411.36, 1,202,523.68 and 484,216.78 is: 668,205.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,411.36 : 1,202,523.68 = 484,216.78 : x
  2. Step 2: Convert to fraction form
    871,411.36/1,202,523.68 = 484,216.78/x
  3. Step 3: Cross multiply
    871,411.36x = 1,202,523.68 × 484,216.78
  4. Step 4: Simplify right side
    871,411.36x = 582,282,144,203.35
  5. Step 5: Solve for x
    x = 582,282,144,203.35/871,411.36
  6. Step 6: Final answer
    x = 668,205.82

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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.