Home / 752,770.61-1,129,157.52-529,131.76

Finding the Fourth Proportional to 752,770.61, 1,129,157.52 and 529,131.76

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Solution

The fourth proportional to 752,770.61, 1,129,157.52 and 529,131.76 is: 793,698.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,770.61 : 1,129,157.52 = 529,131.76 : x
  2. Step 2: Convert to fraction form
    752,770.61/1,129,157.52 = 529,131.76/x
  3. Step 3: Cross multiply
    752,770.61x = 1,129,157.52 × 529,131.76
  4. Step 4: Simplify right side
    752,770.61x = 597,473,109,270.53
  5. Step 5: Solve for x
    x = 597,473,109,270.53/752,770.61
  6. Step 6: Final answer
    x = 793,698.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.