Home / 417,986.88-576,821.76-227,000.32

Finding the Fourth Proportional to 417,986.88, 576,821.76 and 227,000.32

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Solution

The fourth proportional to 417,986.88, 576,821.76 and 227,000.32 is: 313,260.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,986.88 : 576,821.76 = 227,000.32 : x
  2. Step 2: Convert to fraction form
    417,986.88/576,821.76 = 227,000.32/x
  3. Step 3: Cross multiply
    417,986.88x = 576,821.76 × 227,000.32
  4. Step 4: Simplify right side
    417,986.88x = 130,938,724,102.96
  5. Step 5: Solve for x
    x = 130,938,724,102.96/417,986.88
  6. Step 6: Final answer
    x = 313,260.37

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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.