Home / 970,820.46-1,339,738.44-541,127.82

Finding the Fourth Proportional to 970,820.46, 1,339,738.44 and 541,127.82

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Solution

The fourth proportional to 970,820.46, 1,339,738.44 and 541,127.82 is: 746,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,820.46 : 1,339,738.44 = 541,127.82 : x
  2. Step 2: Convert to fraction form
    970,820.46/1,339,738.44 = 541,127.82/x
  3. Step 3: Cross multiply
    970,820.46x = 1,339,738.44 × 541,127.82
  4. Step 4: Simplify right side
    970,820.46x = 724,969,741,407.40
  5. Step 5: Solve for x
    x = 724,969,741,407.40/970,820.46
  6. Step 6: Final answer
    x = 746,759.85

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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.