Home / 461,321.27-636,623.75-257,372.23

Finding the Fourth Proportional to 461,321.27, 636,623.75 and 257,372.23

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Solution

The fourth proportional to 461,321.27, 636,623.75 and 257,372.23 is: 355,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,321.27 : 636,623.75 = 257,372.23 : x
  2. Step 2: Convert to fraction form
    461,321.27/636,623.75 = 257,372.23/x
  3. Step 3: Cross multiply
    461,321.27x = 636,623.75 × 257,372.23
  4. Step 4: Simplify right side
    461,321.27x = 163,849,269,738.48
  5. Step 5: Solve for x
    x = 163,849,269,738.48/461,321.27
  6. Step 6: Final answer
    x = 355,173.89

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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.