Home / 873,664.65-1,205,366.27-712,241.37

Finding the Fourth Proportional to 873,664.65, 1,205,366.27 and 712,241.37

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Solution

The fourth proportional to 873,664.65, 1,205,366.27 and 712,241.37 is: 982,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,664.65 : 1,205,366.27 = 712,241.37 : x
  2. Step 2: Convert to fraction form
    873,664.65/1,205,366.27 = 712,241.37/x
  3. Step 3: Cross multiply
    873,664.65x = 1,205,366.27 × 712,241.37
  4. Step 4: Simplify right side
    873,664.65x = 858,511,719,935.38
  5. Step 5: Solve for x
    x = 858,511,719,935.38/873,664.65
  6. Step 6: Final answer
    x = 982,655.90

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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.