Home / 1,639,575.68-2,262,618.45-914,470.37

Finding the Fourth Proportional to 1,639,575.68, 2,262,618.45 and 914,470.37

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Solution

The fourth proportional to 1,639,575.68, 2,262,618.45 and 914,470.37 is: 1,261,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,575.68 : 2,262,618.45 = 914,470.37 : x
  2. Step 2: Convert to fraction form
    1,639,575.68/2,262,618.45 = 914,470.37/x
  3. Step 3: Cross multiply
    1,639,575.68x = 2,262,618.45 × 914,470.37
  4. Step 4: Simplify right side
    1,639,575.68x = 2,069,097,531,140.33
  5. Step 5: Solve for x
    x = 2,069,097,531,140.33/1,639,575.68
  6. Step 6: Final answer
    x = 1,261,971.35

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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.