Home / 352,654.02-486,811.51-238,087.83

Finding the Fourth Proportional to 352,654.02, 486,811.51 and 238,087.83

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Solution

The fourth proportional to 352,654.02, 486,811.51 and 238,087.83 is: 328,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,654.02 : 486,811.51 = 238,087.83 : x
  2. Step 2: Convert to fraction form
    352,654.02/486,811.51 = 238,087.83/x
  3. Step 3: Cross multiply
    352,654.02x = 486,811.51 × 238,087.83
  4. Step 4: Simplify right side
    352,654.02x = 115,903,895,561.28
  5. Step 5: Solve for x
    x = 115,903,895,561.28/352,654.02
  6. Step 6: Final answer
    x = 328,661.78

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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.