Home / 475,132.05-655,682.36-260,279.82

Finding the Fourth Proportional to 475,132.05, 655,682.36 and 260,279.82

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Solution

The fourth proportional to 475,132.05, 655,682.36 and 260,279.82 is: 359,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,132.05 : 655,682.36 = 260,279.82 : x
  2. Step 2: Convert to fraction form
    475,132.05/655,682.36 = 260,279.82/x
  3. Step 3: Cross multiply
    475,132.05x = 655,682.36 × 260,279.82
  4. Step 4: Simplify right side
    475,132.05x = 170,660,885,336.58
  5. Step 5: Solve for x
    x = 170,660,885,336.58/475,132.05
  6. Step 6: Final answer
    x = 359,186.22

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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.