Home / 752,774.71-1,129,163.67-529,135.87

Finding the Fourth Proportional to 752,774.71, 1,129,163.67 and 529,135.87

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Solution

The fourth proportional to 752,774.71, 1,129,163.67 and 529,135.87 is: 793,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,774.71 : 1,129,163.67 = 529,135.87 : x
  2. Step 2: Convert to fraction form
    752,774.71/1,129,163.67 = 529,135.87/x
  3. Step 3: Cross multiply
    752,774.71x = 1,129,163.67 × 529,135.87
  4. Step 4: Simplify right side
    752,774.71x = 597,481,000,897.84
  5. Step 5: Solve for x
    x = 597,481,000,897.84/752,774.71
  6. Step 6: Final answer
    x = 793,704.93

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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.