Home / 864,976.46-1,297,701.42-416,072.84

Finding the Fourth Proportional to 864,976.46, 1,297,701.42 and 416,072.84

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Solution

The fourth proportional to 864,976.46, 1,297,701.42 and 416,072.84 is: 624,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,976.46 : 1,297,701.42 = 416,072.84 : x
  2. Step 2: Convert to fraction form
    864,976.46/1,297,701.42 = 416,072.84/x
  3. Step 3: Cross multiply
    864,976.46x = 1,297,701.42 × 416,072.84
  4. Step 4: Simplify right side
    864,976.46x = 539,938,318,535.69
  5. Step 5: Solve for x
    x = 539,938,318,535.69/864,976.46
  6. Step 6: Final answer
    x = 624,223.13

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1.5x scale

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.