Home / 748,673.20-1,123,884.60-743,424.40

Finding the Fourth Proportional to 748,673.20, 1,123,884.60 and 743,424.40

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Solution

The fourth proportional to 748,673.20, 1,123,884.60 and 743,424.40 is: 1,116,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,673.20 : 1,123,884.60 = 743,424.40 : x
  2. Step 2: Convert to fraction form
    748,673.20/1,123,884.60 = 743,424.40/x
  3. Step 3: Cross multiply
    748,673.20x = 1,123,884.60 × 743,424.40
  4. Step 4: Simplify right side
    748,673.20x = 835,523,234,424.24
  5. Step 5: Solve for x
    x = 835,523,234,424.24/748,673.20
  6. Step 6: Final answer
    x = 1,116,005.27

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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.