Home / 1,214,391.68-1,675,868.62-663,111.22

Finding the Fourth Proportional to 1,214,391.68, 1,675,868.62 and 663,111.22

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Solution

The fourth proportional to 1,214,391.68, 1,675,868.62 and 663,111.22 is: 915,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,391.68 : 1,675,868.62 = 663,111.22 : x
  2. Step 2: Convert to fraction form
    1,214,391.68/1,675,868.62 = 663,111.22/x
  3. Step 3: Cross multiply
    1,214,391.68x = 1,675,868.62 × 663,111.22
  4. Step 4: Simplify right side
    1,214,391.68x = 1,111,287,276,788.57
  5. Step 5: Solve for x
    x = 1,111,287,276,788.57/1,214,391.68
  6. Step 6: Final answer
    x = 915,097.90

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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.