Home / 2,754,429.12-4,131,881.76-759,885.12

Finding the Fourth Proportional to 2,754,429.12, 4,131,881.76 and 759,885.12

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Solution

The fourth proportional to 2,754,429.12, 4,131,881.76 and 759,885.12 is: 1,139,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,429.12 : 4,131,881.76 = 759,885.12 : x
  2. Step 2: Convert to fraction form
    2,754,429.12/4,131,881.76 = 759,885.12/x
  3. Step 3: Cross multiply
    2,754,429.12x = 4,131,881.76 × 759,885.12
  4. Step 4: Simplify right side
    2,754,429.12x = 3,139,755,467,023.41
  5. Step 5: Solve for x
    x = 3,139,755,467,023.41/2,754,429.12
  6. Step 6: Final answer
    x = 1,139,893.36

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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.