Home / 1,207,964.97-1,666,856.21-724,549.77

Finding the Fourth Proportional to 1,207,964.97, 1,666,856.21 and 724,549.77

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Solution

The fourth proportional to 1,207,964.97, 1,666,856.21 and 724,549.77 is: 999,797.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,964.97 : 1,666,856.21 = 724,549.77 : x
  2. Step 2: Convert to fraction form
    1,207,964.97/1,666,856.21 = 724,549.77/x
  3. Step 3: Cross multiply
    1,207,964.97x = 1,666,856.21 × 724,549.77
  4. Step 4: Simplify right side
    1,207,964.97x = 1,207,720,283,578.57
  5. Step 5: Solve for x
    x = 1,207,720,283,578.57/1,207,964.97
  6. Step 6: Final answer
    x = 999,797.44

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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.