Home / 1,278,084.66-1,915,669.23-798,532.98

Finding the Fourth Proportional to 1,278,084.66, 1,915,669.23 and 798,532.98

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Solution

The fourth proportional to 1,278,084.66, 1,915,669.23 and 798,532.98 is: 1,196,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,084.66 : 1,915,669.23 = 798,532.98 : x
  2. Step 2: Convert to fraction form
    1,278,084.66/1,915,669.23 = 798,532.98/x
  3. Step 3: Cross multiply
    1,278,084.66x = 1,915,669.23 × 798,532.98
  4. Step 4: Simplify right side
    1,278,084.66x = 1,529,725,058,926.21
  5. Step 5: Solve for x
    x = 1,529,725,058,926.21/1,278,084.66
  6. Step 6: Final answer
    x = 1,196,888.68

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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.