Home / 447,242.13-671,078.48-222,622.20

Finding the Fourth Proportional to 447,242.13, 671,078.48 and 222,622.20

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Solution

The fourth proportional to 447,242.13, 671,078.48 and 222,622.20 is: 334,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,242.13 : 671,078.48 = 222,622.20 : x
  2. Step 2: Convert to fraction form
    447,242.13/671,078.48 = 222,622.20/x
  3. Step 3: Cross multiply
    447,242.13x = 671,078.48 × 222,622.20
  4. Step 4: Simplify right side
    447,242.13x = 149,396,966,155.05
  5. Step 5: Solve for x
    x = 149,396,966,155.05/447,242.13
  6. Step 6: Final answer
    x = 334,040.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.