Home / 1,766,043.89-2,436,973.99-991,523.46

Finding the Fourth Proportional to 1,766,043.89, 2,436,973.99 and 991,523.46

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Solution

The fourth proportional to 1,766,043.89, 2,436,973.99 and 991,523.46 is: 1,368,208.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,043.89 : 2,436,973.99 = 991,523.46 : x
  2. Step 2: Convert to fraction form
    1,766,043.89/2,436,973.99 = 991,523.46/x
  3. Step 3: Cross multiply
    1,766,043.89x = 2,436,973.99 × 991,523.46
  4. Step 4: Simplify right side
    1,766,043.89x = 2,416,316,873,472.86
  5. Step 5: Solve for x
    x = 2,416,316,873,472.86/1,766,043.89
  6. Step 6: Final answer
    x = 1,368,208.85

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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.