Home / 475,003.22-655,480.14-260,101.78

Finding the Fourth Proportional to 475,003.22, 655,480.14 and 260,101.78

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Solution

The fourth proportional to 475,003.22, 655,480.14 and 260,101.78 is: 358,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,003.22 : 655,480.14 = 260,101.78 : x
  2. Step 2: Convert to fraction form
    475,003.22/655,480.14 = 260,101.78/x
  3. Step 3: Cross multiply
    475,003.22x = 655,480.14 × 260,101.78
  4. Step 4: Simplify right side
    475,003.22x = 170,491,551,168.65
  5. Step 5: Solve for x
    x = 170,491,551,168.65/475,003.22
  6. Step 6: Final answer
    x = 358,927.15

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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.