Home / 737,638.03-1,017,965.64-431,742.88

Finding the Fourth Proportional to 737,638.03, 1,017,965.64 and 431,742.88

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Solution

The fourth proportional to 737,638.03, 1,017,965.64 and 431,742.88 is: 595,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,638.03 : 1,017,965.64 = 431,742.88 : x
  2. Step 2: Convert to fraction form
    737,638.03/1,017,965.64 = 431,742.88/x
  3. Step 3: Cross multiply
    737,638.03x = 1,017,965.64 × 431,742.88
  4. Step 4: Simplify right side
    737,638.03x = 439,499,417,154.64
  5. Step 5: Solve for x
    x = 439,499,417,154.64/737,638.03
  6. Step 6: Final answer
    x = 595,819.90

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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.