Home / 827,640.29-1,241,435.55-228,637.28

Finding the Fourth Proportional to 827,640.29, 1,241,435.55 and 228,637.28

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Solution

The fourth proportional to 827,640.29, 1,241,435.55 and 228,637.28 is: 342,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,640.29 : 1,241,435.55 = 228,637.28 : x
  2. Step 2: Convert to fraction form
    827,640.29/1,241,435.55 = 228,637.28/x
  3. Step 3: Cross multiply
    827,640.29x = 1,241,435.55 × 228,637.28
  4. Step 4: Simplify right side
    827,640.29x = 283,838,447,447.30
  5. Step 5: Solve for x
    x = 283,838,447,447.30/827,640.29
  6. Step 6: Final answer
    x = 342,949.05

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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.