Home / 871,187.70-1,202,298.75-484,049.82

Finding the Fourth Proportional to 871,187.70, 1,202,298.75 and 484,049.82

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Solution

The fourth proportional to 871,187.70, 1,202,298.75 and 484,049.82 is: 668,021.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,187.70 : 1,202,298.75 = 484,049.82 : x
  2. Step 2: Convert to fraction form
    871,187.70/1,202,298.75 = 484,049.82/x
  3. Step 3: Cross multiply
    871,187.70x = 1,202,298.75 × 484,049.82
  4. Step 4: Simplify right side
    871,187.70x = 581,972,493,523.73
  5. Step 5: Solve for x
    x = 581,972,493,523.73/871,187.70
  6. Step 6: Final answer
    x = 668,021.94

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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.