Home / 739,841.28-1,109,095.43-266,193.42

Finding the Fourth Proportional to 739,841.28, 1,109,095.43 and 266,193.42

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Solution

The fourth proportional to 739,841.28, 1,109,095.43 and 266,193.42 is: 399,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,841.28 : 1,109,095.43 = 266,193.42 : x
  2. Step 2: Convert to fraction form
    739,841.28/1,109,095.43 = 266,193.42/x
  3. Step 3: Cross multiply
    739,841.28x = 1,109,095.43 × 266,193.42
  4. Step 4: Simplify right side
    739,841.28x = 295,233,904,287.10
  5. Step 5: Solve for x
    x = 295,233,904,287.10/739,841.28
  6. Step 6: Final answer
    x = 399,050.33

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Double scale
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Similar ratio
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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.