Home / 582,514.90-873,897.09-329,914.78

Finding the Fourth Proportional to 582,514.90, 873,897.09 and 329,914.78

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Solution

The fourth proportional to 582,514.90, 873,897.09 and 329,914.78 is: 494,942.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,514.90 : 873,897.09 = 329,914.78 : x
  2. Step 2: Convert to fraction form
    582,514.90/873,897.09 = 329,914.78/x
  3. Step 3: Cross multiply
    582,514.90x = 873,897.09 × 329,914.78
  4. Step 4: Simplify right side
    582,514.90x = 288,311,566,189.99
  5. Step 5: Solve for x
    x = 288,311,566,189.99/582,514.90
  6. Step 6: Final answer
    x = 494,942.82

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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.