Home / 1,207,747.15-1,666,694.51-691,508.95

Finding the Fourth Proportional to 1,207,747.15, 1,666,694.51 and 691,508.95

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Solution

The fourth proportional to 1,207,747.15, 1,666,694.51 and 691,508.95 is: 954,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,747.15 : 1,666,694.51 = 691,508.95 : x
  2. Step 2: Convert to fraction form
    1,207,747.15/1,666,694.51 = 691,508.95/x
  3. Step 3: Cross multiply
    1,207,747.15x = 1,666,694.51 × 691,508.95
  4. Step 4: Simplify right side
    1,207,747.15x = 1,152,534,170,580.86
  5. Step 5: Solve for x
    x = 1,152,534,170,580.86/1,207,747.15
  6. Step 6: Final answer
    x = 954,284.32

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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.