Home / 478,923.10-718,056.60-226,324.60

Finding the Fourth Proportional to 478,923.10, 718,056.60 and 226,324.60

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Solution

The fourth proportional to 478,923.10, 718,056.60 and 226,324.60 is: 339,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,923.10 : 718,056.60 = 226,324.60 : x
  2. Step 2: Convert to fraction form
    478,923.10/718,056.60 = 226,324.60/x
  3. Step 3: Cross multiply
    478,923.10x = 718,056.60 × 226,324.60
  4. Step 4: Simplify right side
    478,923.10x = 162,513,872,772.36
  5. Step 5: Solve for x
    x = 162,513,872,772.36/478,923.10
  6. Step 6: Final answer
    x = 339,331.87

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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.