Home / 1,197,443.40-1,654,633.45-852,680.78

Finding the Fourth Proportional to 1,197,443.40, 1,654,633.45 and 852,680.78

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Solution

The fourth proportional to 1,197,443.40, 1,654,633.45 and 852,680.78 is: 1,178,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,443.40 : 1,654,633.45 = 852,680.78 : x
  2. Step 2: Convert to fraction form
    1,197,443.40/1,654,633.45 = 852,680.78/x
  3. Step 3: Cross multiply
    1,197,443.40x = 1,654,633.45 × 852,680.78
  4. Step 4: Simplify right side
    1,197,443.40x = 1,410,874,140,760.09
  5. Step 5: Solve for x
    x = 1,410,874,140,760.09/1,197,443.40
  6. Step 6: Final answer
    x = 1,178,238.69

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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.