Home / 746,720.10-1,120,084.20-185,754.60

Finding the Fourth Proportional to 746,720.10, 1,120,084.20 and 185,754.60

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Solution

The fourth proportional to 746,720.10, 1,120,084.20 and 185,754.60 is: 278,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,720.10 : 1,120,084.20 = 185,754.60 : x
  2. Step 2: Convert to fraction form
    746,720.10/1,120,084.20 = 185,754.60/x
  3. Step 3: Cross multiply
    746,720.10x = 1,120,084.20 × 185,754.60
  4. Step 4: Simplify right side
    746,720.10x = 208,060,792,537.32
  5. Step 5: Solve for x
    x = 208,060,792,537.32/746,720.10
  6. Step 6: Final answer
    x = 278,632.91

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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.