Home / 419,966.58-579,532.95-238,654.56

Finding the Fourth Proportional to 419,966.58, 579,532.95 and 238,654.56

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Solution

The fourth proportional to 419,966.58, 579,532.95 and 238,654.56 is: 329,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,966.58 : 579,532.95 = 238,654.56 : x
  2. Step 2: Convert to fraction form
    419,966.58/579,532.95 = 238,654.56/x
  3. Step 3: Cross multiply
    419,966.58x = 579,532.95 × 238,654.56
  4. Step 4: Simplify right side
    419,966.58x = 138,308,181,187.75
  5. Step 5: Solve for x
    x = 138,308,181,187.75/419,966.58
  6. Step 6: Final answer
    x = 329,331.40

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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.