Home / 579,931.85-869,540.47-200,764.37

Finding the Fourth Proportional to 579,931.85, 869,540.47 and 200,764.37

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Solution

The fourth proportional to 579,931.85, 869,540.47 and 200,764.37 is: 301,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,931.85 : 869,540.47 = 200,764.37 : x
  2. Step 2: Convert to fraction form
    579,931.85/869,540.47 = 200,764.37/x
  3. Step 3: Cross multiply
    579,931.85x = 869,540.47 × 200,764.37
  4. Step 4: Simplify right side
    579,931.85x = 174,572,746,320.99
  5. Step 5: Solve for x
    x = 174,572,746,320.99/579,931.85
  6. Step 6: Final answer
    x = 301,022.86

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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.