Home / 620,112.24-929,998.20-170,727.60

Finding the Fourth Proportional to 620,112.24, 929,998.20 and 170,727.60

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Solution

The fourth proportional to 620,112.24, 929,998.20 and 170,727.60 is: 256,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,112.24 : 929,998.20 = 170,727.60 : x
  2. Step 2: Convert to fraction form
    620,112.24/929,998.20 = 170,727.60/x
  3. Step 3: Cross multiply
    620,112.24x = 929,998.20 × 170,727.60
  4. Step 4: Simplify right side
    620,112.24x = 158,776,360,690.32
  5. Step 5: Solve for x
    x = 158,776,360,690.32/620,112.24
  6. Step 6: Final answer
    x = 256,044.55

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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.