Home / 579,743.16-800,160.30-376,046.52

Finding the Fourth Proportional to 579,743.16, 800,160.30 and 376,046.52

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Solution

The fourth proportional to 579,743.16, 800,160.30 and 376,046.52 is: 519,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,743.16 : 800,160.30 = 376,046.52 : x
  2. Step 2: Convert to fraction form
    579,743.16/800,160.30 = 376,046.52/x
  3. Step 3: Cross multiply
    579,743.16x = 800,160.30 × 376,046.52
  4. Step 4: Simplify right side
    579,743.16x = 300,897,496,257.16
  5. Step 5: Solve for x
    x = 300,897,496,257.16/579,743.16
  6. Step 6: Final answer
    x = 519,018.62

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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.