Home / 626,021.28-939,106.44-199,407.33

Finding the Fourth Proportional to 626,021.28, 939,106.44 and 199,407.33

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Solution

The fourth proportional to 626,021.28, 939,106.44 and 199,407.33 is: 299,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,021.28 : 939,106.44 = 199,407.33 : x
  2. Step 2: Convert to fraction form
    626,021.28/939,106.44 = 199,407.33/x
  3. Step 3: Cross multiply
    626,021.28x = 939,106.44 × 199,407.33
  4. Step 4: Simplify right side
    626,021.28x = 187,264,707,786.21
  5. Step 5: Solve for x
    x = 187,264,707,786.21/626,021.28
  6. Step 6: Final answer
    x = 299,134.73

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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.