Home / 425,734.32-587,509.56-234,749.28

Finding the Fourth Proportional to 425,734.32, 587,509.56 and 234,749.28

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Solution

The fourth proportional to 425,734.32, 587,509.56 and 234,749.28 is: 323,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,734.32 : 587,509.56 = 234,749.28 : x
  2. Step 2: Convert to fraction form
    425,734.32/587,509.56 = 234,749.28/x
  3. Step 3: Cross multiply
    425,734.32x = 587,509.56 × 234,749.28
  4. Step 4: Simplify right side
    425,734.32x = 137,917,446,203.12
  5. Step 5: Solve for x
    x = 137,917,446,203.12/425,734.32
  6. Step 6: Final answer
    x = 323,951.91

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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.