Home / 864,980.47-1,297,707.42-416,076.85

Finding the Fourth Proportional to 864,980.47, 1,297,707.42 and 416,076.85

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Solution

The fourth proportional to 864,980.47, 1,297,707.42 and 416,076.85 is: 624,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,980.47 : 1,297,707.42 = 416,076.85 : x
  2. Step 2: Convert to fraction form
    864,980.47/1,297,707.42 = 416,076.85/x
  3. Step 3: Cross multiply
    864,980.47x = 1,297,707.42 × 416,076.85
  4. Step 4: Simplify right side
    864,980.47x = 539,946,015,535.23
  5. Step 5: Solve for x
    x = 539,946,015,535.23/864,980.47
  6. Step 6: Final answer
    x = 624,229.14

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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.