Home / 875,921.72-1,208,775.32-488,753.46

Finding the Fourth Proportional to 875,921.72, 1,208,775.32 and 488,753.46

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Solution

The fourth proportional to 875,921.72, 1,208,775.32 and 488,753.46 is: 674,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,921.72 : 1,208,775.32 = 488,753.46 : x
  2. Step 2: Convert to fraction form
    875,921.72/1,208,775.32 = 488,753.46/x
  3. Step 3: Cross multiply
    875,921.72x = 1,208,775.32 × 488,753.46
  4. Step 4: Simplify right side
    875,921.72x = 590,793,124,175.97
  5. Step 5: Solve for x
    x = 590,793,124,175.97/875,921.72
  6. Step 6: Final answer
    x = 674,481.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.