Home / 409,434.20-565,061.24-246,143.57

Finding the Fourth Proportional to 409,434.20, 565,061.24 and 246,143.57

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Solution

The fourth proportional to 409,434.20, 565,061.24 and 246,143.57 is: 339,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,434.20 : 565,061.24 = 246,143.57 : x
  2. Step 2: Convert to fraction form
    409,434.20/565,061.24 = 246,143.57/x
  3. Step 3: Cross multiply
    409,434.20x = 565,061.24 × 246,143.57
  4. Step 4: Simplify right side
    409,434.20x = 139,086,186,826.20
  5. Step 5: Solve for x
    x = 139,086,186,826.20/409,434.20
  6. Step 6: Final answer
    x = 339,703.40

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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.