Home / 415,321.27-573,143.60-224,334.66

Finding the Fourth Proportional to 415,321.27, 573,143.60 and 224,334.66

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Solution

The fourth proportional to 415,321.27, 573,143.60 and 224,334.66 is: 309,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,321.27 : 573,143.60 = 224,334.66 : x
  2. Step 2: Convert to fraction form
    415,321.27/573,143.60 = 224,334.66/x
  3. Step 3: Cross multiply
    415,321.27x = 573,143.60 × 224,334.66
  4. Step 4: Simplify right side
    415,321.27x = 128,575,976,085.42
  5. Step 5: Solve for x
    x = 128,575,976,085.42/415,321.27
  6. Step 6: Final answer
    x = 309,581.97

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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.