Home / 1,668,778.16-2,503,264.12-644,114.12

Finding the Fourth Proportional to 1,668,778.16, 2,503,264.12 and 644,114.12

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Solution

The fourth proportional to 1,668,778.16, 2,503,264.12 and 644,114.12 is: 966,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,778.16 : 2,503,264.12 = 644,114.12 : x
  2. Step 2: Convert to fraction form
    1,668,778.16/2,503,264.12 = 644,114.12/x
  3. Step 3: Cross multiply
    1,668,778.16x = 2,503,264.12 × 644,114.12
  4. Step 4: Simplify right side
    1,668,778.16x = 1,612,387,765,781.37
  5. Step 5: Solve for x
    x = 1,612,387,765,781.37/1,668,778.16
  6. Step 6: Final answer
    x = 966,208.57

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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.