Home / 1,639,313.92-2,262,263.08-914,207.48

Finding the Fourth Proportional to 1,639,313.92, 2,262,263.08 and 914,207.48

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Solution

The fourth proportional to 1,639,313.92, 2,262,263.08 and 914,207.48 is: 1,261,611.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,313.92 : 2,262,263.08 = 914,207.48 : x
  2. Step 2: Convert to fraction form
    1,639,313.92/2,262,263.08 = 914,207.48/x
  3. Step 3: Cross multiply
    1,639,313.92x = 2,262,263.08 × 914,207.48
  4. Step 4: Simplify right side
    1,639,313.92x = 2,068,177,829,463.84
  5. Step 5: Solve for x
    x = 2,068,177,829,463.84/1,639,313.92
  6. Step 6: Final answer
    x = 1,261,611.83

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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.