Home / 1,295,800.80-1,788,192.90-715,029.36

Finding the Fourth Proportional to 1,295,800.80, 1,788,192.90 and 715,029.36

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Solution

The fourth proportional to 1,295,800.80, 1,788,192.90 and 715,029.36 is: 986,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,800.80 : 1,788,192.90 = 715,029.36 : x
  2. Step 2: Convert to fraction form
    1,295,800.80/1,788,192.90 = 715,029.36/x
  3. Step 3: Cross multiply
    1,295,800.80x = 1,788,192.90 × 715,029.36
  4. Step 4: Simplify right side
    1,295,800.80x = 1,278,610,424,843.54
  5. Step 5: Solve for x
    x = 1,278,610,424,843.54/1,295,800.80
  6. Step 6: Final answer
    x = 986,733.78

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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.