Home / 1,639,716.60-2,262,812.86-914,611.28

Finding the Fourth Proportional to 1,639,716.60, 2,262,812.86 and 914,611.28

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Solution

The fourth proportional to 1,639,716.60, 2,262,812.86 and 914,611.28 is: 1,262,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,716.60 : 2,262,812.86 = 914,611.28 : x
  2. Step 2: Convert to fraction form
    1,639,716.60/2,262,812.86 = 914,611.28/x
  3. Step 3: Cross multiply
    1,639,716.60x = 2,262,812.86 × 914,611.28
  4. Step 4: Simplify right side
    1,639,716.60x = 2,069,594,166,285.06
  5. Step 5: Solve for x
    x = 2,069,594,166,285.06/1,639,716.60
  6. Step 6: Final answer
    x = 1,262,165.77

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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.