Home / 692,697.80-1,039,039.51-219,383.11

Finding the Fourth Proportional to 692,697.80, 1,039,039.51 and 219,383.11

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Solution

The fourth proportional to 692,697.80, 1,039,039.51 and 219,383.11 is: 329,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,697.80 : 1,039,039.51 = 219,383.11 : x
  2. Step 2: Convert to fraction form
    692,697.80/1,039,039.51 = 219,383.11/x
  3. Step 3: Cross multiply
    692,697.80x = 1,039,039.51 × 219,383.11
  4. Step 4: Simplify right side
    692,697.80x = 227,947,719,116.68
  5. Step 5: Solve for x
    x = 227,947,719,116.68/692,697.80
  6. Step 6: Final answer
    x = 329,072.39

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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.