Home / 749,568.72-1,124,517.24-217,111.44

Finding the Fourth Proportional to 749,568.72, 1,124,517.24 and 217,111.44

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Solution

The fourth proportional to 749,568.72, 1,124,517.24 and 217,111.44 is: 325,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,568.72 : 1,124,517.24 = 217,111.44 : x
  2. Step 2: Convert to fraction form
    749,568.72/1,124,517.24 = 217,111.44/x
  3. Step 3: Cross multiply
    749,568.72x = 1,124,517.24 × 217,111.44
  4. Step 4: Simplify right side
    749,568.72x = 244,145,557,281.23
  5. Step 5: Solve for x
    x = 244,145,557,281.23/749,568.72
  6. Step 6: Final answer
    x = 325,714.71

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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.