Home / 1,277,747.30-1,763,482.22-819,379.44

Finding the Fourth Proportional to 1,277,747.30, 1,763,482.22 and 819,379.44

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Solution

The fourth proportional to 1,277,747.30, 1,763,482.22 and 819,379.44 is: 1,130,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,747.30 : 1,763,482.22 = 819,379.44 : x
  2. Step 2: Convert to fraction form
    1,277,747.30/1,763,482.22 = 819,379.44/x
  3. Step 3: Cross multiply
    1,277,747.30x = 1,763,482.22 × 819,379.44
  4. Step 4: Simplify right side
    1,277,747.30x = 1,444,961,073,873.56
  5. Step 5: Solve for x
    x = 1,444,961,073,873.56/1,277,747.30
  6. Step 6: Final answer
    x = 1,130,866.07

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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.