Home / 977,369.11-1,348,778.32-541,791.16

Finding the Fourth Proportional to 977,369.11, 1,348,778.32 and 541,791.16

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Solution

The fourth proportional to 977,369.11, 1,348,778.32 and 541,791.16 is: 747,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,369.11 : 1,348,778.32 = 541,791.16 : x
  2. Step 2: Convert to fraction form
    977,369.11/1,348,778.32 = 541,791.16/x
  3. Step 3: Cross multiply
    977,369.11x = 1,348,778.32 × 541,791.16
  4. Step 4: Simplify right side
    977,369.11x = 730,756,165,849.23
  5. Step 5: Solve for x
    x = 730,756,165,849.23/977,369.11
  6. Step 6: Final answer
    x = 747,676.75

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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.