Home / 996,107.76-1,374,626.97-543,398.76

Finding the Fourth Proportional to 996,107.76, 1,374,626.97 and 543,398.76

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Solution

The fourth proportional to 996,107.76, 1,374,626.97 and 543,398.76 is: 749,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,107.76 : 1,374,626.97 = 543,398.76 : x
  2. Step 2: Convert to fraction form
    996,107.76/1,374,626.97 = 543,398.76/x
  3. Step 3: Cross multiply
    996,107.76x = 1,374,626.97 × 543,398.76
  4. Step 4: Simplify right side
    996,107.76x = 746,970,590,960.56
  5. Step 5: Solve for x
    x = 746,970,590,960.56/996,107.76
  6. Step 6: Final answer
    x = 749,889.34

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Double scale
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1.5x scale

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.