Home / 805,275.37-1,111,301.19-442,708.36

Finding the Fourth Proportional to 805,275.37, 1,111,301.19 and 442,708.36

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Solution

The fourth proportional to 805,275.37, 1,111,301.19 and 442,708.36 is: 610,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,275.37 : 1,111,301.19 = 442,708.36 : x
  2. Step 2: Convert to fraction form
    805,275.37/1,111,301.19 = 442,708.36/x
  3. Step 3: Cross multiply
    805,275.37x = 1,111,301.19 × 442,708.36
  4. Step 4: Simplify right side
    805,275.37x = 491,982,328,883.35
  5. Step 5: Solve for x
    x = 491,982,328,883.35/805,275.37
  6. Step 6: Final answer
    x = 610,949.18

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