Home / 658,345.16-987,517.74-185,078.36

Finding the Fourth Proportional to 658,345.16, 987,517.74 and 185,078.36

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Solution

The fourth proportional to 658,345.16, 987,517.74 and 185,078.36 is: 277,617.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,345.16 : 987,517.74 = 185,078.36 : x
  2. Step 2: Convert to fraction form
    658,345.16/987,517.74 = 185,078.36/x
  3. Step 3: Cross multiply
    658,345.16x = 987,517.74 × 185,078.36
  4. Step 4: Simplify right side
    658,345.16x = 182,768,163,790.11
  5. Step 5: Solve for x
    x = 182,768,163,790.11/658,345.16
  6. Step 6: Final answer
    x = 277,617.54

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Similar ratio
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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.