Home / 579,063.08-868,710.68-199,997.72

Finding the Fourth Proportional to 579,063.08, 868,710.68 and 199,997.72

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Solution

The fourth proportional to 579,063.08, 868,710.68 and 199,997.72 is: 300,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,063.08 : 868,710.68 = 199,997.72 : x
  2. Step 2: Convert to fraction form
    579,063.08/868,710.68 = 199,997.72/x
  3. Step 3: Cross multiply
    579,063.08x = 868,710.68 × 199,997.72
  4. Step 4: Simplify right side
    579,063.08x = 173,740,155,339.65
  5. Step 5: Solve for x
    x = 173,740,155,339.65/579,063.08
  6. Step 6: Final answer
    x = 300,036.66

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Double scale
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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.