Home / 658,493.31-987,739.71-185,178.65

Finding the Fourth Proportional to 658,493.31, 987,739.71 and 185,178.65

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Solution

The fourth proportional to 658,493.31, 987,739.71 and 185,178.65 is: 277,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,493.31 : 987,739.71 = 185,178.65 : x
  2. Step 2: Convert to fraction form
    658,493.31/987,739.71 = 185,178.65/x
  3. Step 3: Cross multiply
    658,493.31x = 987,739.71 × 185,178.65
  4. Step 4: Simplify right side
    658,493.31x = 182,908,301,110.49
  5. Step 5: Solve for x
    x = 182,908,301,110.49/658,493.31
  6. Step 6: Final answer
    x = 277,767.90

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Similar ratio
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1.5x scale

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.