Home / 902,919.42-1,246,042.85-495,058.50

Finding the Fourth Proportional to 902,919.42, 1,246,042.85 and 495,058.50

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Solution

The fourth proportional to 902,919.42, 1,246,042.85 and 495,058.50 is: 683,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,919.42 : 1,246,042.85 = 495,058.50 : x
  2. Step 2: Convert to fraction form
    902,919.42/1,246,042.85 = 495,058.50/x
  3. Step 3: Cross multiply
    902,919.42x = 1,246,042.85 × 495,058.50
  4. Step 4: Simplify right side
    902,919.42x = 616,864,101,781.43
  5. Step 5: Solve for x
    x = 616,864,101,781.43/902,919.42
  6. Step 6: Final answer
    x = 683,188.43

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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.