Home / 1,214,081.21-1,675,388.17-670,205.33

Finding the Fourth Proportional to 1,214,081.21, 1,675,388.17 and 670,205.33

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Solution

The fourth proportional to 1,214,081.21, 1,675,388.17 and 670,205.33 is: 924,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,081.21 : 1,675,388.17 = 670,205.33 : x
  2. Step 2: Convert to fraction form
    1,214,081.21/1,675,388.17 = 670,205.33/x
  3. Step 3: Cross multiply
    1,214,081.21x = 1,675,388.17 × 670,205.33
  4. Step 4: Simplify right side
    1,214,081.21x = 1,122,854,081,352.95
  5. Step 5: Solve for x
    x = 1,122,854,081,352.95/1,214,081.21
  6. Step 6: Final answer
    x = 924,859.12

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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.