Home / 805,208.02-1,111,211.94-442,659.58

Finding the Fourth Proportional to 805,208.02, 1,111,211.94 and 442,659.58

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Solution

The fourth proportional to 805,208.02, 1,111,211.94 and 442,659.58 is: 610,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,208.02 : 1,111,211.94 = 442,659.58 : x
  2. Step 2: Convert to fraction form
    805,208.02/1,111,211.94 = 442,659.58/x
  3. Step 3: Cross multiply
    805,208.02x = 1,111,211.94 × 442,659.58
  4. Step 4: Simplify right side
    805,208.02x = 491,888,610,651.39
  5. Step 5: Solve for x
    x = 491,888,610,651.39/805,208.02
  6. Step 6: Final answer
    x = 610,883.89

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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.