Home / 424,216.78-585,423.09-233,231.50

Finding the Fourth Proportional to 424,216.78, 585,423.09 and 233,231.50

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Solution

The fourth proportional to 424,216.78, 585,423.09 and 233,231.50 is: 321,861.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,216.78 : 585,423.09 = 233,231.50 : x
  2. Step 2: Convert to fraction form
    424,216.78/585,423.09 = 233,231.50/x
  3. Step 3: Cross multiply
    424,216.78x = 585,423.09 × 233,231.50
  4. Step 4: Simplify right side
    424,216.78x = 136,539,105,415.34
  5. Step 5: Solve for x
    x = 136,539,105,415.34/424,216.78
  6. Step 6: Final answer
    x = 321,861.63

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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.