Home / 754,129.92-1,040,672.70-414,595.56

Finding the Fourth Proportional to 754,129.92, 1,040,672.70 and 414,595.56

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Solution

The fourth proportional to 754,129.92, 1,040,672.70 and 414,595.56 is: 572,127.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,129.92 : 1,040,672.70 = 414,595.56 : x
  2. Step 2: Convert to fraction form
    754,129.92/1,040,672.70 = 414,595.56/x
  3. Step 3: Cross multiply
    754,129.92x = 1,040,672.70 × 414,595.56
  4. Step 4: Simplify right side
    754,129.92x = 431,458,280,833.21
  5. Step 5: Solve for x
    x = 431,458,280,833.21/754,129.92
  6. Step 6: Final answer
    x = 572,127.25

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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.