Home / 749,160.20-1,123,740.30-744,494.60

Finding the Fourth Proportional to 749,160.20, 1,123,740.30 and 744,494.60

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Solution

The fourth proportional to 749,160.20, 1,123,740.30 and 744,494.60 is: 1,116,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,160.20 : 1,123,740.30 = 744,494.60 : x
  2. Step 2: Convert to fraction form
    749,160.20/1,123,740.30 = 744,494.60/x
  3. Step 3: Cross multiply
    749,160.20x = 1,123,740.30 × 744,494.60
  4. Step 4: Simplify right side
    749,160.20x = 836,618,585,152.38
  5. Step 5: Solve for x
    x = 836,618,585,152.38/749,160.20
  6. Step 6: Final answer
    x = 1,116,741.90

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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.