Home / 405,826.79-560,057.47-224,535.78

Finding the Fourth Proportional to 405,826.79, 560,057.47 and 224,535.78

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Solution

The fourth proportional to 405,826.79, 560,057.47 and 224,535.78 is: 309,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,826.79 : 560,057.47 = 224,535.78 : x
  2. Step 2: Convert to fraction form
    405,826.79/560,057.47 = 224,535.78/x
  3. Step 3: Cross multiply
    405,826.79x = 560,057.47 × 224,535.78
  4. Step 4: Simplify right side
    405,826.79x = 125,752,940,309.94
  5. Step 5: Solve for x
    x = 125,752,940,309.94/405,826.79
  6. Step 6: Final answer
    x = 309,868.51

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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.