Home / 1,356,315.85-1,873,269.30-893,239.78

Finding the Fourth Proportional to 1,356,315.85, 1,873,269.30 and 893,239.78

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Solution

The fourth proportional to 1,356,315.85, 1,873,269.30 and 893,239.78 is: 1,233,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,315.85 : 1,873,269.30 = 893,239.78 : x
  2. Step 2: Convert to fraction form
    1,356,315.85/1,873,269.30 = 893,239.78/x
  3. Step 3: Cross multiply
    1,356,315.85x = 1,873,269.30 × 893,239.78
  4. Step 4: Simplify right side
    1,356,315.85x = 1,673,278,646,786.33
  5. Step 5: Solve for x
    x = 1,673,278,646,786.33/1,356,315.85
  6. Step 6: Final answer
    x = 1,233,693.95

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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.