Home / 754,029.72-1,040,561.10-431,846.64

Finding the Fourth Proportional to 754,029.72, 1,040,561.10 and 431,846.64

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Solution

The fourth proportional to 754,029.72, 1,040,561.10 and 431,846.64 is: 595,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,029.72 : 1,040,561.10 = 431,846.64 : x
  2. Step 2: Convert to fraction form
    754,029.72/1,040,561.10 = 431,846.64/x
  3. Step 3: Cross multiply
    754,029.72x = 1,040,561.10 × 431,846.64
  4. Step 4: Simplify right side
    754,029.72x = 449,362,814,749.70
  5. Step 5: Solve for x
    x = 449,362,814,749.70/754,029.72
  6. Step 6: Final answer
    x = 595,948.41

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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.