Home / 580,922.20-871,383.30-487,610.20

Finding the Fourth Proportional to 580,922.20, 871,383.30 and 487,610.20

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Solution

The fourth proportional to 580,922.20, 871,383.30 and 487,610.20 is: 731,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,922.20 : 871,383.30 = 487,610.20 : x
  2. Step 2: Convert to fraction form
    580,922.20/871,383.30 = 487,610.20/x
  3. Step 3: Cross multiply
    580,922.20x = 871,383.30 × 487,610.20
  4. Step 4: Simplify right side
    580,922.20x = 424,895,385,189.66
  5. Step 5: Solve for x
    x = 424,895,385,189.66/580,922.20
  6. Step 6: Final answer
    x = 731,415.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.