Home / 353,545.24-487,903.41-200,589.86

Finding the Fourth Proportional to 353,545.24, 487,903.41 and 200,589.86

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Solution

The fourth proportional to 353,545.24, 487,903.41 and 200,589.86 is: 276,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,545.24 : 487,903.41 = 200,589.86 : x
  2. Step 2: Convert to fraction form
    353,545.24/487,903.41 = 200,589.86/x
  3. Step 3: Cross multiply
    353,545.24x = 487,903.41 × 200,589.86
  4. Step 4: Simplify right side
    353,545.24x = 97,868,476,705.42
  5. Step 5: Solve for x
    x = 97,868,476,705.42/353,545.24
  6. Step 6: Final answer
    x = 276,820.24

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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.