Home / 754,029.50-1,040,534.34-414,495.32

Finding the Fourth Proportional to 754,029.50, 1,040,534.34 and 414,495.32

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Solution

The fourth proportional to 754,029.50, 1,040,534.34 and 414,495.32 is: 571,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,029.50 : 1,040,534.34 = 414,495.32 : x
  2. Step 2: Convert to fraction form
    754,029.50/1,040,534.34 = 414,495.32/x
  3. Step 3: Cross multiply
    754,029.50x = 1,040,534.34 × 414,495.32
  4. Step 4: Simplify right side
    754,029.50x = 431,296,614,229.29
  5. Step 5: Solve for x
    x = 431,296,614,229.29/754,029.50
  6. Step 6: Final answer
    x = 571,989.05

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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.