Home / 658,934.65-988,027.35-259,358.82

Finding the Fourth Proportional to 658,934.65, 988,027.35 and 259,358.82

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Solution

The fourth proportional to 658,934.65, 988,027.35 and 259,358.82 is: 388,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,934.65 : 988,027.35 = 259,358.82 : x
  2. Step 2: Convert to fraction form
    658,934.65/988,027.35 = 259,358.82/x
  3. Step 3: Cross multiply
    658,934.65x = 988,027.35 × 259,358.82
  4. Step 4: Simplify right side
    658,934.65x = 256,253,607,623.73
  5. Step 5: Solve for x
    x = 256,253,607,623.73/658,934.65
  6. Step 6: Final answer
    x = 388,890.78

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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.