Home / 1,639,720.54-2,262,817.46-914,615.23

Finding the Fourth Proportional to 1,639,720.54, 2,262,817.46 and 914,615.23

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Solution

The fourth proportional to 1,639,720.54, 2,262,817.46 and 914,615.23 is: 1,262,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,720.54 : 2,262,817.46 = 914,615.23 : x
  2. Step 2: Convert to fraction form
    1,639,720.54/2,262,817.46 = 914,615.23/x
  3. Step 3: Cross multiply
    1,639,720.54x = 2,262,817.46 × 914,615.23
  4. Step 4: Simplify right side
    1,639,720.54x = 2,069,607,311,625.92
  5. Step 5: Solve for x
    x = 2,069,607,311,625.92/1,639,720.54
  6. Step 6: Final answer
    x = 1,262,170.75

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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.