Home / 521,837.76-782,979.48-222,459.33

Finding the Fourth Proportional to 521,837.76, 782,979.48 and 222,459.33

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Solution

The fourth proportional to 521,837.76, 782,979.48 and 222,459.33 is: 333,783.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,837.76 : 782,979.48 = 222,459.33 : x
  2. Step 2: Convert to fraction form
    521,837.76/782,979.48 = 222,459.33/x
  3. Step 3: Cross multiply
    521,837.76x = 782,979.48 × 222,459.33
  4. Step 4: Simplify right side
    521,837.76x = 174,181,090,524.55
  5. Step 5: Solve for x
    x = 174,181,090,524.55/521,837.76
  6. Step 6: Final answer
    x = 333,783.99

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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.