Home / 693,927.36-957,250.37-422,078.40

Finding the Fourth Proportional to 693,927.36, 957,250.37 and 422,078.40

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Solution

The fourth proportional to 693,927.36, 957,250.37 and 422,078.40 is: 582,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,927.36 : 957,250.37 = 422,078.40 : x
  2. Step 2: Convert to fraction form
    693,927.36/957,250.37 = 422,078.40/x
  3. Step 3: Cross multiply
    693,927.36x = 957,250.37 × 422,078.40
  4. Step 4: Simplify right side
    693,927.36x = 404,034,705,624.20
  5. Step 5: Solve for x
    x = 404,034,705,624.20/693,927.36
  6. Step 6: Final answer
    x = 582,243.52

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Double scale
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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.