Home / 634,257.22-951,240.25-378,162.26

Finding the Fourth Proportional to 634,257.22, 951,240.25 and 378,162.26

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Solution

The fourth proportional to 634,257.22, 951,240.25 and 378,162.26 is: 567,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,257.22 : 951,240.25 = 378,162.26 : x
  2. Step 2: Convert to fraction form
    634,257.22/951,240.25 = 378,162.26/x
  3. Step 3: Cross multiply
    634,257.22x = 951,240.25 × 378,162.26
  4. Step 4: Simplify right side
    634,257.22x = 359,723,162,742.97
  5. Step 5: Solve for x
    x = 359,723,162,742.97/634,257.22
  6. Step 6: Final answer
    x = 567,156.59

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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.