Home / 805,817.16-1,112,027.94-443,241.72

Finding the Fourth Proportional to 805,817.16, 1,112,027.94 and 443,241.72

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Solution

The fourth proportional to 805,817.16, 1,112,027.94 and 443,241.72 is: 611,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,817.16 : 1,112,027.94 = 443,241.72 : x
  2. Step 2: Convert to fraction form
    805,817.16/1,112,027.94 = 443,241.72/x
  3. Step 3: Cross multiply
    805,817.16x = 1,112,027.94 × 443,241.72
  4. Step 4: Simplify right side
    805,817.16x = 492,897,176,813.66
  5. Step 5: Solve for x
    x = 492,897,176,813.66/805,817.16
  6. Step 6: Final answer
    x = 611,673.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.