Home / 754,707.88-1,132,061.84-193,742.40

Finding the Fourth Proportional to 754,707.88, 1,132,061.84 and 193,742.40

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Solution

The fourth proportional to 754,707.88, 1,132,061.84 and 193,742.40 is: 290,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,707.88 : 1,132,061.84 = 193,742.40 : x
  2. Step 2: Convert to fraction form
    754,707.88/1,132,061.84 = 193,742.40/x
  3. Step 3: Cross multiply
    754,707.88x = 1,132,061.84 × 193,742.40
  4. Step 4: Simplify right side
    754,707.88x = 219,328,377,830.02
  5. Step 5: Solve for x
    x = 219,328,377,830.02/754,707.88
  6. Step 6: Final answer
    x = 290,613.61

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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.