Home / 752,764-1,126,310.10-528,567.34

Finding the Fourth Proportional to 752,764, 1,126,310.10 and 528,567.34

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Solution

The fourth proportional to 752,764, 1,126,310.10 and 528,567.34 is: 790,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,764 : 1,126,310.10 = 528,567.34 : x
  2. Step 2: Convert to fraction form
    752,764/1,126,310.10 = 528,567.34/x
  3. Step 3: Cross multiply
    752,764x = 1,126,310.10 × 528,567.34
  4. Step 4: Simplify right side
    752,764x = 595,330,733,572.13
  5. Step 5: Solve for x
    x = 595,330,733,572.13/752,764
  6. Step 6: Final answer
    x = 790,859.73

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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.