Home / 754,034.15-1,040,592.47-443,880.80

Finding the Fourth Proportional to 754,034.15, 1,040,592.47 and 443,880.80

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Solution

The fourth proportional to 754,034.15, 1,040,592.47 and 443,880.80 is: 612,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,034.15 : 1,040,592.47 = 443,880.80 : x
  2. Step 2: Convert to fraction form
    754,034.15/1,040,592.47 = 443,880.80/x
  3. Step 3: Cross multiply
    754,034.15x = 1,040,592.47 × 443,880.80
  4. Step 4: Simplify right side
    754,034.15x = 461,899,010,635.21
  5. Step 5: Solve for x
    x = 461,899,010,635.21/754,034.15
  6. Step 6: Final answer
    x = 612,570.42

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Double scale
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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.