Home / 679,348.59-1,019,027.22-199,574.44

Finding the Fourth Proportional to 679,348.59, 1,019,027.22 and 199,574.44

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Solution

The fourth proportional to 679,348.59, 1,019,027.22 and 199,574.44 is: 299,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,348.59 : 1,019,027.22 = 199,574.44 : x
  2. Step 2: Convert to fraction form
    679,348.59/1,019,027.22 = 199,574.44/x
  3. Step 3: Cross multiply
    679,348.59x = 1,019,027.22 × 199,574.44
  4. Step 4: Simplify right side
    679,348.59x = 203,371,789,212.31
  5. Step 5: Solve for x
    x = 203,371,789,212.31/679,348.59
  6. Step 6: Final answer
    x = 299,362.94

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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.