Home / 338,621.40-507,936.42-233,412.12

Finding the Fourth Proportional to 338,621.40, 507,936.42 and 233,412.12

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Solution

The fourth proportional to 338,621.40, 507,936.42 and 233,412.12 is: 350,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,621.40 : 507,936.42 = 233,412.12 : x
  2. Step 2: Convert to fraction form
    338,621.40/507,936.42 = 233,412.12/x
  3. Step 3: Cross multiply
    338,621.40x = 507,936.42 × 233,412.12
  4. Step 4: Simplify right side
    338,621.40x = 118,558,516,617.41
  5. Step 5: Solve for x
    x = 118,558,516,617.41/338,621.40
  6. Step 6: Final answer
    x = 350,121.16

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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.