Home / 579,003.39-799,138.31-349,598.43

Finding the Fourth Proportional to 579,003.39, 799,138.31 and 349,598.43

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Solution

The fourth proportional to 579,003.39, 799,138.31 and 349,598.43 is: 482,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,003.39 : 799,138.31 = 349,598.43 : x
  2. Step 2: Convert to fraction form
    579,003.39/799,138.31 = 349,598.43/x
  3. Step 3: Cross multiply
    579,003.39x = 799,138.31 × 349,598.43
  4. Step 4: Simplify right side
    579,003.39x = 279,377,496,780.86
  5. Step 5: Solve for x
    x = 279,377,496,780.86/579,003.39
  6. Step 6: Final answer
    x = 482,514.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.