Home / 1,406,434.24-1,940,839.15-825,648.03

Finding the Fourth Proportional to 1,406,434.24, 1,940,839.15 and 825,648.03

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Solution

The fourth proportional to 1,406,434.24, 1,940,839.15 and 825,648.03 is: 1,139,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,434.24 : 1,940,839.15 = 825,648.03 : x
  2. Step 2: Convert to fraction form
    1,406,434.24/1,940,839.15 = 825,648.03/x
  3. Step 3: Cross multiply
    1,406,434.24x = 1,940,839.15 × 825,648.03
  4. Step 4: Simplify right side
    1,406,434.24x = 1,602,450,016,616.13
  5. Step 5: Solve for x
    x = 1,602,450,016,616.13/1,406,434.24
  6. Step 6: Final answer
    x = 1,139,370.74

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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.