Home / 854,129.97-1,282,081.45-495,002.49

Finding the Fourth Proportional to 854,129.97, 1,282,081.45 and 495,002.49

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Solution

The fourth proportional to 854,129.97, 1,282,081.45 and 495,002.49 is: 743,017.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,129.97 : 1,282,081.45 = 495,002.49 : x
  2. Step 2: Convert to fraction form
    854,129.97/1,282,081.45 = 495,002.49/x
  3. Step 3: Cross multiply
    854,129.97x = 1,282,081.45 × 495,002.49
  4. Step 4: Simplify right side
    854,129.97x = 634,633,501,247.39
  5. Step 5: Solve for x
    x = 634,633,501,247.39/854,129.97
  6. Step 6: Final answer
    x = 743,017.48

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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.