Home / 806,689.44-1,113,211.08-444,109.68

Finding the Fourth Proportional to 806,689.44, 1,113,211.08 and 444,109.68

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Solution

The fourth proportional to 806,689.44, 1,113,211.08 and 444,109.68 is: 612,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,689.44 : 1,113,211.08 = 444,109.68 : x
  2. Step 2: Convert to fraction form
    806,689.44/1,113,211.08 = 444,109.68/x
  3. Step 3: Cross multiply
    806,689.44x = 1,113,211.08 × 444,109.68
  4. Step 4: Simplify right side
    806,689.44x = 494,387,816,511.25
  5. Step 5: Solve for x
    x = 494,387,816,511.25/806,689.44
  6. Step 6: Final answer
    x = 612,860.16

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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.