Home / 1,653,694.60-2,479,229.70-905,740.60

Finding the Fourth Proportional to 1,653,694.60, 2,479,229.70 and 905,740.60

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Solution

The fourth proportional to 1,653,694.60, 2,479,229.70 and 905,740.60 is: 1,357,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,694.60 : 2,479,229.70 = 905,740.60 : x
  2. Step 2: Convert to fraction form
    1,653,694.60/2,479,229.70 = 905,740.60/x
  3. Step 3: Cross multiply
    1,653,694.60x = 2,479,229.70 × 905,740.60
  4. Step 4: Simplify right side
    1,653,694.60x = 2,245,538,996,015.82
  5. Step 5: Solve for x
    x = 2,245,538,996,015.82/1,653,694.60
  6. Step 6: Final answer
    x = 1,357,892.20

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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.