Home / 408,627.18-563,912.01-227,341.22

Finding the Fourth Proportional to 408,627.18, 563,912.01 and 227,341.22

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Solution

The fourth proportional to 408,627.18, 563,912.01 and 227,341.22 is: 313,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,627.18 : 563,912.01 = 227,341.22 : x
  2. Step 2: Convert to fraction form
    408,627.18/563,912.01 = 227,341.22/x
  3. Step 3: Cross multiply
    408,627.18x = 563,912.01 × 227,341.22
  4. Step 4: Simplify right side
    408,627.18x = 128,200,441,506.49
  5. Step 5: Solve for x
    x = 128,200,441,506.49/408,627.18
  6. Step 6: Final answer
    x = 313,734.49

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1.5x scale

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.