Home / 626,402.97-939,144.38-199,693.35

Finding the Fourth Proportional to 626,402.97, 939,144.38 and 199,693.35

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Solution

The fourth proportional to 626,402.97, 939,144.38 and 199,693.35 is: 299,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,402.97 : 939,144.38 = 199,693.35 : x
  2. Step 2: Convert to fraction form
    626,402.97/939,144.38 = 199,693.35/x
  3. Step 3: Cross multiply
    626,402.97x = 939,144.38 × 199,693.35
  4. Step 4: Simplify right side
    626,402.97x = 187,540,886,377.41
  5. Step 5: Solve for x
    x = 187,540,886,377.41/626,402.97
  6. Step 6: Final answer
    x = 299,393.35

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1.5x scale

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.