Home / 426,912.14-589,140.59-233,323.76

Finding the Fourth Proportional to 426,912.14, 589,140.59 and 233,323.76

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Solution

The fourth proportional to 426,912.14, 589,140.59 and 233,323.76 is: 321,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,912.14 : 589,140.59 = 233,323.76 : x
  2. Step 2: Convert to fraction form
    426,912.14/589,140.59 = 233,323.76/x
  3. Step 3: Cross multiply
    426,912.14x = 589,140.59 × 233,323.76
  4. Step 4: Simplify right side
    426,912.14x = 137,460,493,515.10
  5. Step 5: Solve for x
    x = 137,460,493,515.10/426,912.14
  6. Step 6: Final answer
    x = 321,987.79

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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.