Home / 1,754,418.60-2,631,721.82-556,431.88

Finding the Fourth Proportional to 1,754,418.60, 2,631,721.82 and 556,431.88

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Solution

The fourth proportional to 1,754,418.60, 2,631,721.82 and 556,431.88 is: 834,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,418.60 : 2,631,721.82 = 556,431.88 : x
  2. Step 2: Convert to fraction form
    1,754,418.60/2,631,721.82 = 556,431.88/x
  3. Step 3: Cross multiply
    1,754,418.60x = 2,631,721.82 × 556,431.88
  4. Step 4: Simplify right side
    1,754,418.60x = 1,464,373,919,939.62
  5. Step 5: Solve for x
    x = 1,464,373,919,939.62/1,754,418.60
  6. Step 6: Final answer
    x = 834,677.61

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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.