Home / 350,830.28-484,026.90-199,820.36

Finding the Fourth Proportional to 350,830.28, 484,026.90 and 199,820.36

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Solution

The fourth proportional to 350,830.28, 484,026.90 and 199,820.36 is: 275,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,830.28 : 484,026.90 = 199,820.36 : x
  2. Step 2: Convert to fraction form
    350,830.28/484,026.90 = 199,820.36/x
  3. Step 3: Cross multiply
    350,830.28x = 484,026.90 × 199,820.36
  4. Step 4: Simplify right side
    350,830.28x = 96,718,429,407.68
  5. Step 5: Solve for x
    x = 96,718,429,407.68/350,830.28
  6. Step 6: Final answer
    x = 275,684.38

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1.5x scale

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.