Home / 913,524.02-1,370,286.03-282,423.86

Finding the Fourth Proportional to 913,524.02, 1,370,286.03 and 282,423.86

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Solution

The fourth proportional to 913,524.02, 1,370,286.03 and 282,423.86 is: 423,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,524.02 : 1,370,286.03 = 282,423.86 : x
  2. Step 2: Convert to fraction form
    913,524.02/1,370,286.03 = 282,423.86/x
  3. Step 3: Cross multiply
    913,524.02x = 1,370,286.03 × 282,423.86
  4. Step 4: Simplify right side
    913,524.02x = 387,001,469,896.68
  5. Step 5: Solve for x
    x = 387,001,469,896.68/913,524.02
  6. Step 6: Final answer
    x = 423,635.79

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Double scale
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Similar ratio
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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.