Home / 627,678.99-941,501.07-228,327.12

Finding the Fourth Proportional to 627,678.99, 941,501.07 and 228,327.12

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Solution

The fourth proportional to 627,678.99, 941,501.07 and 228,327.12 is: 342,484.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,678.99 : 941,501.07 = 228,327.12 : x
  2. Step 2: Convert to fraction form
    627,678.99/941,501.07 = 228,327.12/x
  3. Step 3: Cross multiply
    627,678.99x = 941,501.07 × 228,327.12
  4. Step 4: Simplify right side
    627,678.99x = 214,970,227,790.02
  5. Step 5: Solve for x
    x = 214,970,227,790.02/627,678.99
  6. Step 6: Final answer
    x = 342,484.35

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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.