Home / 672,109.20-1,008,163.80-580,870.80

Finding the Fourth Proportional to 672,109.20, 1,008,163.80 and 580,870.80

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Solution

The fourth proportional to 672,109.20, 1,008,163.80 and 580,870.80 is: 871,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,109.20 : 1,008,163.80 = 580,870.80 : x
  2. Step 2: Convert to fraction form
    672,109.20/1,008,163.80 = 580,870.80/x
  3. Step 3: Cross multiply
    672,109.20x = 1,008,163.80 × 580,870.80
  4. Step 4: Simplify right side
    672,109.20x = 585,612,913,037.04
  5. Step 5: Solve for x
    x = 585,612,913,037.04/672,109.20
  6. Step 6: Final answer
    x = 871,306.20

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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.