Home / 1,112,417.82-1,668,623.49-962,211.42

Finding the Fourth Proportional to 1,112,417.82, 1,668,623.49 and 962,211.42

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Solution

The fourth proportional to 1,112,417.82, 1,668,623.49 and 962,211.42 is: 1,443,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,417.82 : 1,668,623.49 = 962,211.42 : x
  2. Step 2: Convert to fraction form
    1,112,417.82/1,668,623.49 = 962,211.42/x
  3. Step 3: Cross multiply
    1,112,417.82x = 1,668,623.49 × 962,211.42
  4. Step 4: Simplify right side
    1,112,417.82x = 1,605,568,577,758.26
  5. Step 5: Solve for x
    x = 1,605,568,577,758.26/1,112,417.82
  6. Step 6: Final answer
    x = 1,443,314.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.