Home / 426,869.12-589,116.67-235,919.41

Finding the Fourth Proportional to 426,869.12, 589,116.67 and 235,919.41

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Solution

The fourth proportional to 426,869.12, 589,116.67 and 235,919.41 is: 325,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,869.12 : 589,116.67 = 235,919.41 : x
  2. Step 2: Convert to fraction form
    426,869.12/589,116.67 = 235,919.41/x
  3. Step 3: Cross multiply
    426,869.12x = 589,116.67 × 235,919.41
  4. Step 4: Simplify right side
    426,869.12x = 138,984,055,144.97
  5. Step 5: Solve for x
    x = 138,984,055,144.97/426,869.12
  6. Step 6: Final answer
    x = 325,589.39

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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.