Home / 579,031.00-868,662.45-199,965.58

Finding the Fourth Proportional to 579,031.00, 868,662.45 and 199,965.58

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Solution

The fourth proportional to 579,031.00, 868,662.45 and 199,965.58 is: 299,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,031.00 : 868,662.45 = 199,965.58 : x
  2. Step 2: Convert to fraction form
    579,031.00/868,662.45 = 199,965.58/x
  3. Step 3: Cross multiply
    579,031.00x = 868,662.45 × 199,965.58
  4. Step 4: Simplify right side
    579,031.00x = 173,702,586,295.16
  5. Step 5: Solve for x
    x = 173,702,586,295.16/579,031.00
  6. Step 6: Final answer
    x = 299,988.41

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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.