Home / 408,183.72-563,300.31-224,430.05

Finding the Fourth Proportional to 408,183.72, 563,300.31 and 224,430.05

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Solution

The fourth proportional to 408,183.72, 563,300.31 and 224,430.05 is: 309,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,183.72 : 563,300.31 = 224,430.05 : x
  2. Step 2: Convert to fraction form
    408,183.72/563,300.31 = 224,430.05/x
  3. Step 3: Cross multiply
    408,183.72x = 563,300.31 × 224,430.05
  4. Step 4: Simplify right side
    408,183.72x = 126,421,513,921.81
  5. Step 5: Solve for x
    x = 126,421,513,921.81/408,183.72
  6. Step 6: Final answer
    x = 309,717.19

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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.