Home / 747,613.35-1,121,584.05-242,088.30

Finding the Fourth Proportional to 747,613.35, 1,121,584.05 and 242,088.30

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Solution

The fourth proportional to 747,613.35, 1,121,584.05 and 242,088.30 is: 363,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,613.35 : 1,121,584.05 = 242,088.30 : x
  2. Step 2: Convert to fraction form
    747,613.35/1,121,584.05 = 242,088.30/x
  3. Step 3: Cross multiply
    747,613.35x = 1,121,584.05 × 242,088.30
  4. Step 4: Simplify right side
    747,613.35x = 271,522,375,971.62
  5. Step 5: Solve for x
    x = 271,522,375,971.62/747,613.35
  6. Step 6: Final answer
    x = 363,185.56

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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.