Home / 806,666.25-1,113,179.80-444,087.21

Finding the Fourth Proportional to 806,666.25, 1,113,179.80 and 444,087.21

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Solution

The fourth proportional to 806,666.25, 1,113,179.80 and 444,087.21 is: 612,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,666.25 : 1,113,179.80 = 444,087.21 : x
  2. Step 2: Convert to fraction form
    806,666.25/1,113,179.80 = 444,087.21/x
  3. Step 3: Cross multiply
    806,666.25x = 1,113,179.80 × 444,087.21
  4. Step 4: Simplify right side
    806,666.25x = 494,348,911,610.36
  5. Step 5: Solve for x
    x = 494,348,911,610.36/806,666.25
  6. Step 6: Final answer
    x = 612,829.55

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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.