Home / 1,861,873.29-2,793,028.64-663,965.91

Finding the Fourth Proportional to 1,861,873.29, 2,793,028.64 and 663,965.91

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Solution

The fourth proportional to 1,861,873.29, 2,793,028.64 and 663,965.91 is: 996,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,873.29 : 2,793,028.64 = 663,965.91 : x
  2. Step 2: Convert to fraction form
    1,861,873.29/2,793,028.64 = 663,965.91/x
  3. Step 3: Cross multiply
    1,861,873.29x = 2,793,028.64 × 663,965.91
  4. Step 4: Simplify right side
    1,861,873.29x = 1,854,475,799,293.83
  5. Step 5: Solve for x
    x = 1,854,475,799,293.83/1,861,873.29
  6. Step 6: Final answer
    x = 996,026.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.