Home / 458,623.23-632,878.76-254,687.07

Finding the Fourth Proportional to 458,623.23, 632,878.76 and 254,687.07

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Solution

The fourth proportional to 458,623.23, 632,878.76 and 254,687.07 is: 351,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,623.23 : 632,878.76 = 254,687.07 : x
  2. Step 2: Convert to fraction form
    458,623.23/632,878.76 = 254,687.07/x
  3. Step 3: Cross multiply
    458,623.23x = 632,878.76 × 254,687.07
  4. Step 4: Simplify right side
    458,623.23x = 161,186,037,049.63
  5. Step 5: Solve for x
    x = 161,186,037,049.63/458,623.23
  6. Step 6: Final answer
    x = 351,456.33

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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.