Home / 458,616.72-687,611.07-233,541.48

Finding the Fourth Proportional to 458,616.72, 687,611.07 and 233,541.48

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Solution

The fourth proportional to 458,616.72, 687,611.07 and 233,541.48 is: 350,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,616.72 : 687,611.07 = 233,541.48 : x
  2. Step 2: Convert to fraction form
    458,616.72/687,611.07 = 233,541.48/x
  3. Step 3: Cross multiply
    458,616.72x = 687,611.07 × 233,541.48
  4. Step 4: Simplify right side
    458,616.72x = 160,585,706,952.18
  5. Step 5: Solve for x
    x = 160,585,706,952.18/458,616.72
  6. Step 6: Final answer
    x = 350,152.32

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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.