Home / 400,035.82-551,789.32-256,568.62

Finding the Fourth Proportional to 400,035.82, 551,789.32 and 256,568.62

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Solution

The fourth proportional to 400,035.82, 551,789.32 and 256,568.62 is: 353,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,035.82 : 551,789.32 = 256,568.62 : x
  2. Step 2: Convert to fraction form
    400,035.82/551,789.32 = 256,568.62/x
  3. Step 3: Cross multiply
    400,035.82x = 551,789.32 × 256,568.62
  4. Step 4: Simplify right side
    400,035.82x = 141,571,824,363.14
  5. Step 5: Solve for x
    x = 141,571,824,363.14/400,035.82
  6. Step 6: Final answer
    x = 353,897.87

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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.