Home / 749,032.88-1,123,655.94-243,431.29

Finding the Fourth Proportional to 749,032.88, 1,123,655.94 and 243,431.29

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Solution

The fourth proportional to 749,032.88, 1,123,655.94 and 243,431.29 is: 365,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,032.88 : 1,123,655.94 = 243,431.29 : x
  2. Step 2: Convert to fraction form
    749,032.88/1,123,655.94 = 243,431.29/x
  3. Step 3: Cross multiply
    749,032.88x = 1,123,655.94 × 243,431.29
  4. Step 4: Simplify right side
    749,032.88x = 273,533,008,154.93
  5. Step 5: Solve for x
    x = 273,533,008,154.93/749,032.88
  6. Step 6: Final answer
    x = 365,181.58

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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.