Home / 943,074.25-1,298,963.31-724,865.64

Finding the Fourth Proportional to 943,074.25, 1,298,963.31 and 724,865.64

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Solution

The fourth proportional to 943,074.25, 1,298,963.31 and 724,865.64 is: 998,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,074.25 : 1,298,963.31 = 724,865.64 : x
  2. Step 2: Convert to fraction form
    943,074.25/1,298,963.31 = 724,865.64/x
  3. Step 3: Cross multiply
    943,074.25x = 1,298,963.31 × 724,865.64
  4. Step 4: Simplify right side
    943,074.25x = 941,573,871,181.01
  5. Step 5: Solve for x
    x = 941,573,871,181.01/943,074.25
  6. Step 6: Final answer
    x = 998,409.06

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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.