Home / 1,197,972.12-1,653,188.82-654,106.20

Finding the Fourth Proportional to 1,197,972.12, 1,653,188.82 and 654,106.20

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Solution

The fourth proportional to 1,197,972.12, 1,653,188.82 and 654,106.20 is: 902,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,972.12 : 1,653,188.82 = 654,106.20 : x
  2. Step 2: Convert to fraction form
    1,197,972.12/1,653,188.82 = 654,106.20/x
  3. Step 3: Cross multiply
    1,197,972.12x = 1,653,188.82 × 654,106.20
  4. Step 4: Simplify right side
    1,197,972.12x = 1,081,361,056,932.68
  5. Step 5: Solve for x
    x = 1,081,361,056,932.68/1,197,972.12
  6. Step 6: Final answer
    x = 902,659.62

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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.