Home / 753,738.36-1,040,216.94-431,549.88

Finding the Fourth Proportional to 753,738.36, 1,040,216.94 and 431,549.88

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Solution

The fourth proportional to 753,738.36, 1,040,216.94 and 431,549.88 is: 595,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,738.36 : 1,040,216.94 = 431,549.88 : x
  2. Step 2: Convert to fraction form
    753,738.36/1,040,216.94 = 431,549.88/x
  3. Step 3: Cross multiply
    753,738.36x = 1,040,216.94 × 431,549.88
  4. Step 4: Simplify right side
    753,738.36x = 448,905,495,630.97
  5. Step 5: Solve for x
    x = 448,905,495,630.97/753,738.36
  6. Step 6: Final answer
    x = 595,572.04

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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.