Home / 892,002.67-1,231,985.40-587,440.35

Finding the Fourth Proportional to 892,002.67, 1,231,985.40 and 587,440.35

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Solution

The fourth proportional to 892,002.67, 1,231,985.40 and 587,440.35 is: 811,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,002.67 : 1,231,985.40 = 587,440.35 : x
  2. Step 2: Convert to fraction form
    892,002.67/1,231,985.40 = 587,440.35/x
  3. Step 3: Cross multiply
    892,002.67x = 1,231,985.40 × 587,440.35
  4. Step 4: Simplify right side
    892,002.67x = 723,717,932,367.99
  5. Step 5: Solve for x
    x = 723,717,932,367.99/892,002.67
  6. Step 6: Final answer
    x = 811,340.55

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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.