Home / 1,000,135.11-1,380,175.70-541,239.54

Finding the Fourth Proportional to 1,000,135.11, 1,380,175.70 and 541,239.54

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Solution

The fourth proportional to 1,000,135.11, 1,380,175.70 and 541,239.54 is: 746,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,135.11 : 1,380,175.70 = 541,239.54 : x
  2. Step 2: Convert to fraction form
    1,000,135.11/1,380,175.70 = 541,239.54/x
  3. Step 3: Cross multiply
    1,000,135.11x = 1,380,175.70 × 541,239.54
  4. Step 4: Simplify right side
    1,000,135.11x = 747,005,658,280.98
  5. Step 5: Solve for x
    x = 747,005,658,280.98/1,000,135.11
  6. Step 6: Final answer
    x = 746,904.74

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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.