Home / 743,654.94-1,115,508.87-238,150.23

Finding the Fourth Proportional to 743,654.94, 1,115,508.87 and 238,150.23

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Solution

The fourth proportional to 743,654.94, 1,115,508.87 and 238,150.23 is: 357,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,654.94 : 1,115,508.87 = 238,150.23 : x
  2. Step 2: Convert to fraction form
    743,654.94/1,115,508.87 = 238,150.23/x
  3. Step 3: Cross multiply
    743,654.94x = 1,115,508.87 × 238,150.23
  4. Step 4: Simplify right side
    743,654.94x = 265,658,693,957.54
  5. Step 5: Solve for x
    x = 265,658,693,957.54/743,654.94
  6. Step 6: Final answer
    x = 357,233.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.