Home / 645,883.39-968,859.92-196,618.51

Finding the Fourth Proportional to 645,883.39, 968,859.92 and 196,618.51

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Solution

The fourth proportional to 645,883.39, 968,859.92 and 196,618.51 is: 294,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,883.39 : 968,859.92 = 196,618.51 : x
  2. Step 2: Convert to fraction form
    645,883.39/968,859.92 = 196,618.51/x
  3. Step 3: Cross multiply
    645,883.39x = 968,859.92 × 196,618.51
  4. Step 4: Simplify right side
    645,883.39x = 190,495,793,869.12
  5. Step 5: Solve for x
    x = 190,495,793,869.12/645,883.39
  6. Step 6: Final answer
    x = 294,938.37

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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.