Home / 805,188.23-1,111,173.56-442,627.37

Finding the Fourth Proportional to 805,188.23, 1,111,173.56 and 442,627.37

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Solution

The fourth proportional to 805,188.23, 1,111,173.56 and 442,627.37 is: 610,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,188.23 : 1,111,173.56 = 442,627.37 : x
  2. Step 2: Convert to fraction form
    805,188.23/1,111,173.56 = 442,627.37/x
  3. Step 3: Cross multiply
    805,188.23x = 1,111,173.56 × 442,627.37
  4. Step 4: Simplify right side
    805,188.23x = 491,835,828,534.09
  5. Step 5: Solve for x
    x = 491,835,828,534.09/805,188.23
  6. Step 6: Final answer
    x = 610,833.36

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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.