Home / 805,233.52-1,111,236.40-442,672.64

Finding the Fourth Proportional to 805,233.52, 1,111,236.40 and 442,672.64

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Solution

The fourth proportional to 805,233.52, 1,111,236.40 and 442,672.64 is: 610,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,233.52 : 1,111,236.40 = 442,672.64 : x
  2. Step 2: Convert to fraction form
    805,233.52/1,111,236.40 = 442,672.64/x
  3. Step 3: Cross multiply
    805,233.52x = 1,111,236.40 × 442,672.64
  4. Step 4: Simplify right side
    805,233.52x = 491,913,950,852.10
  5. Step 5: Solve for x
    x = 491,913,950,852.10/805,233.52
  6. Step 6: Final answer
    x = 610,896.02

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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.