Home / 910,708.05-1,255,608.88-746,760.51

Finding the Fourth Proportional to 910,708.05, 1,255,608.88 and 746,760.51

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Solution

The fourth proportional to 910,708.05, 1,255,608.88 and 746,760.51 is: 1,029,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,708.05 : 1,255,608.88 = 746,760.51 : x
  2. Step 2: Convert to fraction form
    910,708.05/1,255,608.88 = 746,760.51/x
  3. Step 3: Cross multiply
    910,708.05x = 1,255,608.88 × 746,760.51
  4. Step 4: Simplify right side
    910,708.05x = 937,639,121,311.28
  5. Step 5: Solve for x
    x = 937,639,121,311.28/910,708.05
  6. Step 6: Final answer
    x = 1,029,571.57

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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.