Home / 941,958.78-1,298,531.43-715,210.62

Finding the Fourth Proportional to 941,958.78, 1,298,531.43 and 715,210.62

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Solution

The fourth proportional to 941,958.78, 1,298,531.43 and 715,210.62 is: 985,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,958.78 : 1,298,531.43 = 715,210.62 : x
  2. Step 2: Convert to fraction form
    941,958.78/1,298,531.43 = 715,210.62/x
  3. Step 3: Cross multiply
    941,958.78x = 1,298,531.43 × 715,210.62
  4. Step 4: Simplify right side
    941,958.78x = 928,723,469,139.79
  5. Step 5: Solve for x
    x = 928,723,469,139.79/941,958.78
  6. Step 6: Final answer
    x = 985,949.16

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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.