Home / 847,352.47-1,269,425.70-656,879.46

Finding the Fourth Proportional to 847,352.47, 1,269,425.70 and 656,879.46

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Solution

The fourth proportional to 847,352.47, 1,269,425.70 and 656,879.46 is: 984,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,352.47 : 1,269,425.70 = 656,879.46 : x
  2. Step 2: Convert to fraction form
    847,352.47/1,269,425.70 = 656,879.46/x
  3. Step 3: Cross multiply
    847,352.47x = 1,269,425.70 × 656,879.46
  4. Step 4: Simplify right side
    847,352.47x = 833,859,667,073.69
  5. Step 5: Solve for x
    x = 833,859,667,073.69/847,352.47
  6. Step 6: Final answer
    x = 984,076.52

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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.