Home / 996,478.58-1,375,169.49-543,798.74

Finding the Fourth Proportional to 996,478.58, 1,375,169.49 and 543,798.74

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Solution

The fourth proportional to 996,478.58, 1,375,169.49 and 543,798.74 is: 750,458.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,478.58 : 1,375,169.49 = 543,798.74 : x
  2. Step 2: Convert to fraction form
    996,478.58/1,375,169.49 = 543,798.74/x
  3. Step 3: Cross multiply
    996,478.58x = 1,375,169.49 × 543,798.74
  4. Step 4: Simplify right side
    996,478.58x = 747,815,435,948.44
  5. Step 5: Solve for x
    x = 747,815,435,948.44/996,478.58
  6. Step 6: Final answer
    x = 750,458.11

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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.