Home / 839,763.78-1,158,757.14-495,614.10

Finding the Fourth Proportional to 839,763.78, 1,158,757.14 and 495,614.10

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Solution

The fourth proportional to 839,763.78, 1,158,757.14 and 495,614.10 is: 683,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,763.78 : 1,158,757.14 = 495,614.10 : x
  2. Step 2: Convert to fraction form
    839,763.78/1,158,757.14 = 495,614.10/x
  3. Step 3: Cross multiply
    839,763.78x = 1,158,757.14 × 495,614.10
  4. Step 4: Simplify right side
    839,763.78x = 574,296,377,059.67
  5. Step 5: Solve for x
    x = 574,296,377,059.67/839,763.78
  6. Step 6: Final answer
    x = 683,878.48

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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.