Home / 1,207,822.11-1,666,799.88-663,992.85

Finding the Fourth Proportional to 1,207,822.11, 1,666,799.88 and 663,992.85

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Solution

The fourth proportional to 1,207,822.11, 1,666,799.88 and 663,992.85 is: 916,313.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,822.11 : 1,666,799.88 = 663,992.85 : x
  2. Step 2: Convert to fraction form
    1,207,822.11/1,666,799.88 = 663,992.85/x
  3. Step 3: Cross multiply
    1,207,822.11x = 1,666,799.88 × 663,992.85
  4. Step 4: Simplify right side
    1,207,822.11x = 1,106,743,202,700.86
  5. Step 5: Solve for x
    x = 1,106,743,202,700.86/1,207,822.11
  6. Step 6: Final answer
    x = 916,313.08

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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.