Home / 1,363,126.60-2,042,940.30-830,081.80

Finding the Fourth Proportional to 1,363,126.60, 2,042,940.30 and 830,081.80

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Solution

The fourth proportional to 1,363,126.60, 2,042,940.30 and 830,081.80 is: 1,244,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,126.60 : 2,042,940.30 = 830,081.80 : x
  2. Step 2: Convert to fraction form
    1,363,126.60/2,042,940.30 = 830,081.80/x
  3. Step 3: Cross multiply
    1,363,126.60x = 2,042,940.30 × 830,081.80
  4. Step 4: Simplify right side
    1,363,126.60x = 1,695,807,561,516.54
  5. Step 5: Solve for x
    x = 1,695,807,561,516.54/1,363,126.60
  6. Step 6: Final answer
    x = 1,244,057.27

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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.