Home / 807,178.14-1,113,956.42-444,601.89

Finding the Fourth Proportional to 807,178.14, 1,113,956.42 and 444,601.89

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Solution

The fourth proportional to 807,178.14, 1,113,956.42 and 444,601.89 is: 613,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,178.14 : 1,113,956.42 = 444,601.89 : x
  2. Step 2: Convert to fraction form
    807,178.14/1,113,956.42 = 444,601.89/x
  3. Step 3: Cross multiply
    807,178.14x = 1,113,956.42 × 444,601.89
  4. Step 4: Simplify right side
    807,178.14x = 495,267,127,486.62
  5. Step 5: Solve for x
    x = 495,267,127,486.62/807,178.14
  6. Step 6: Final answer
    x = 613,578.47

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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.