Home / 931,166.11-1,396,735.32-257,232.49

Finding the Fourth Proportional to 931,166.11, 1,396,735.32 and 257,232.49

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Solution

The fourth proportional to 931,166.11, 1,396,735.32 and 257,232.49 is: 385,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,166.11 : 1,396,735.32 = 257,232.49 : x
  2. Step 2: Convert to fraction form
    931,166.11/1,396,735.32 = 257,232.49/x
  3. Step 3: Cross multiply
    931,166.11x = 1,396,735.32 × 257,232.49
  4. Step 4: Simplify right side
    931,166.11x = 359,285,706,708.16
  5. Step 5: Solve for x
    x = 359,285,706,708.16/931,166.11
  6. Step 6: Final answer
    x = 385,844.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.