Home / 805,191.03-1,111,177.44-442,630.17

Finding the Fourth Proportional to 805,191.03, 1,111,177.44 and 442,630.17

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Solution

The fourth proportional to 805,191.03, 1,111,177.44 and 442,630.17 is: 610,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,191.03 : 1,111,177.44 = 442,630.17 : x
  2. Step 2: Convert to fraction form
    805,191.03/1,111,177.44 = 442,630.17/x
  3. Step 3: Cross multiply
    805,191.03x = 1,111,177.44 × 442,630.17
  4. Step 4: Simplify right side
    805,191.03x = 491,840,659,167.37
  5. Step 5: Solve for x
    x = 491,840,659,167.37/805,191.03
  6. Step 6: Final answer
    x = 610,837.23

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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.