Home / 904,821.38-1,357,231.19-230,902.69

Finding the Fourth Proportional to 904,821.38, 1,357,231.19 and 230,902.69

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Solution

The fourth proportional to 904,821.38, 1,357,231.19 and 230,902.69 is: 346,353.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,821.38 : 1,357,231.19 = 230,902.69 : x
  2. Step 2: Convert to fraction form
    904,821.38/1,357,231.19 = 230,902.69/x
  3. Step 3: Cross multiply
    904,821.38x = 1,357,231.19 × 230,902.69
  4. Step 4: Simplify right side
    904,821.38x = 313,388,329,329.82
  5. Step 5: Solve for x
    x = 313,388,329,329.82/904,821.38
  6. Step 6: Final answer
    x = 346,353.81

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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.