Home / 866,597.20-1,195,881.77-479,402.62

Finding the Fourth Proportional to 866,597.20, 1,195,881.77 and 479,402.62

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Solution

The fourth proportional to 866,597.20, 1,195,881.77 and 479,402.62 is: 661,563.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,597.20 : 1,195,881.77 = 479,402.62 : x
  2. Step 2: Convert to fraction form
    866,597.20/1,195,881.77 = 479,402.62/x
  3. Step 3: Cross multiply
    866,597.20x = 1,195,881.77 × 479,402.62
  4. Step 4: Simplify right side
    866,597.20x = 573,308,845,371.82
  5. Step 5: Solve for x
    x = 573,308,845,371.82/866,597.20
  6. Step 6: Final answer
    x = 661,563.24

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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.