Home / 426,990.39-589,236.46-233,389.38

Finding the Fourth Proportional to 426,990.39, 589,236.46 and 233,389.38

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Solution

The fourth proportional to 426,990.39, 589,236.46 and 233,389.38 is: 322,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,990.39 : 589,236.46 = 233,389.38 : x
  2. Step 2: Convert to fraction form
    426,990.39/589,236.46 = 233,389.38/x
  3. Step 3: Cross multiply
    426,990.39x = 589,236.46 × 233,389.38
  4. Step 4: Simplify right side
    426,990.39x = 137,521,533,698.96
  5. Step 5: Solve for x
    x = 137,521,533,698.96/426,990.39
  6. Step 6: Final answer
    x = 322,071.73

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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.