Home / 1,236,227.76-1,705,799.43-720,066.60

Finding the Fourth Proportional to 1,236,227.76, 1,705,799.43 and 720,066.60

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Solution

The fourth proportional to 1,236,227.76, 1,705,799.43 and 720,066.60 is: 993,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,227.76 : 1,705,799.43 = 720,066.60 : x
  2. Step 2: Convert to fraction form
    1,236,227.76/1,705,799.43 = 720,066.60/x
  3. Step 3: Cross multiply
    1,236,227.76x = 1,705,799.43 × 720,066.60
  4. Step 4: Simplify right side
    1,236,227.76x = 1,228,289,195,842.04
  5. Step 5: Solve for x
    x = 1,228,289,195,842.04/1,236,227.76
  6. Step 6: Final answer
    x = 993,578.40

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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.