Home / 1,251,873.86-1,877,790.13-398,933.73

Finding the Fourth Proportional to 1,251,873.86, 1,877,790.13 and 398,933.73

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Solution

The fourth proportional to 1,251,873.86, 1,877,790.13 and 398,933.73 is: 598,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,873.86 : 1,877,790.13 = 398,933.73 : x
  2. Step 2: Convert to fraction form
    1,251,873.86/1,877,790.13 = 398,933.73/x
  3. Step 3: Cross multiply
    1,251,873.86x = 1,877,790.13 × 398,933.73
  4. Step 4: Simplify right side
    1,251,873.86x = 749,113,819,720.75
  5. Step 5: Solve for x
    x = 749,113,819,720.75/1,251,873.86
  6. Step 6: Final answer
    x = 598,394.01

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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.