Home / 1,406,968.91-1,940,868.30-855,853.11

Finding the Fourth Proportional to 1,406,968.91, 1,940,868.30 and 855,853.11

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Solution

The fourth proportional to 1,406,968.91, 1,940,868.30 and 855,853.11 is: 1,180,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,968.91 : 1,940,868.30 = 855,853.11 : x
  2. Step 2: Convert to fraction form
    1,406,968.91/1,940,868.30 = 855,853.11/x
  3. Step 3: Cross multiply
    1,406,968.91x = 1,940,868.30 × 855,853.11
  4. Step 4: Simplify right side
    1,406,968.91x = 1,661,098,170,655.41
  5. Step 5: Solve for x
    x = 1,661,098,170,655.41/1,406,968.91
  6. Step 6: Final answer
    x = 1,180,621.81

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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.