Home / 658,932.33-988,263.63-185,621.79

Finding the Fourth Proportional to 658,932.33, 988,263.63 and 185,621.79

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Solution

The fourth proportional to 658,932.33, 988,263.63 and 185,621.79 is: 278,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,932.33 : 988,263.63 = 185,621.79 : x
  2. Step 2: Convert to fraction form
    658,932.33/988,263.63 = 185,621.79/x
  3. Step 3: Cross multiply
    658,932.33x = 988,263.63 × 185,621.79
  4. Step 4: Simplify right side
    658,932.33x = 183,443,263,992.50
  5. Step 5: Solve for x
    x = 183,443,263,992.50/658,932.33
  6. Step 6: Final answer
    x = 278,394.69

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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.