Home / 1,207,514.25-1,666,334.52-691,250.72

Finding the Fourth Proportional to 1,207,514.25, 1,666,334.52 and 691,250.72

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Solution

The fourth proportional to 1,207,514.25, 1,666,334.52 and 691,250.72 is: 953,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,514.25 : 1,666,334.52 = 691,250.72 : x
  2. Step 2: Convert to fraction form
    1,207,514.25/1,666,334.52 = 691,250.72/x
  3. Step 3: Cross multiply
    1,207,514.25x = 1,666,334.52 × 691,250.72
  4. Step 4: Simplify right side
    1,207,514.25x = 1,151,854,928,379.18
  5. Step 5: Solve for x
    x = 1,151,854,928,379.18/1,207,514.25
  6. Step 6: Final answer
    x = 953,905.87

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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.