Home / 579,200.70-868,167.45-205,031.10

Finding the Fourth Proportional to 579,200.70, 868,167.45 and 205,031.10

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Solution

The fourth proportional to 579,200.70, 868,167.45 and 205,031.10 is: 307,322.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,200.70 : 868,167.45 = 205,031.10 : x
  2. Step 2: Convert to fraction form
    579,200.70/868,167.45 = 205,031.10/x
  3. Step 3: Cross multiply
    579,200.70x = 868,167.45 × 205,031.10
  4. Step 4: Simplify right side
    579,200.70x = 178,001,327,257.70
  5. Step 5: Solve for x
    x = 178,001,327,257.70/579,200.70
  6. Step 6: Final answer
    x = 307,322.36

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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.