Home / 681,898.12-941,025.78-375,985.47

Finding the Fourth Proportional to 681,898.12, 941,025.78 and 375,985.47

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Solution

The fourth proportional to 681,898.12, 941,025.78 and 375,985.47 is: 518,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,898.12 : 941,025.78 = 375,985.47 : x
  2. Step 2: Convert to fraction form
    681,898.12/941,025.78 = 375,985.47/x
  3. Step 3: Cross multiply
    681,898.12x = 941,025.78 × 375,985.47
  4. Step 4: Simplify right side
    681,898.12x = 353,812,022,233.28
  5. Step 5: Solve for x
    x = 353,812,022,233.28/681,898.12
  6. Step 6: Final answer
    x = 518,863.47

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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.