Home / 749,160.70-1,123,741.05-736,719.10

Finding the Fourth Proportional to 749,160.70, 1,123,741.05 and 736,719.10

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Solution

The fourth proportional to 749,160.70, 1,123,741.05 and 736,719.10 is: 1,105,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,160.70 : 1,123,741.05 = 736,719.10 : x
  2. Step 2: Convert to fraction form
    749,160.70/1,123,741.05 = 736,719.10/x
  3. Step 3: Cross multiply
    749,160.70x = 1,123,741.05 × 736,719.10
  4. Step 4: Simplify right side
    749,160.70x = 827,881,494,989.06
  5. Step 5: Solve for x
    x = 827,881,494,989.06/749,160.70
  6. Step 6: Final answer
    x = 1,105,078.65

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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.