Home / 985,321.80-1,476,816.30-416,701.80

Finding the Fourth Proportional to 985,321.80, 1,476,816.30 and 416,701.80

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Solution

The fourth proportional to 985,321.80, 1,476,816.30 and 416,701.80 is: 624,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,321.80 : 1,476,816.30 = 416,701.80 : x
  2. Step 2: Convert to fraction form
    985,321.80/1,476,816.30 = 416,701.80/x
  3. Step 3: Cross multiply
    985,321.80x = 1,476,816.30 × 416,701.80
  4. Step 4: Simplify right side
    985,321.80x = 615,392,010,479.34
  5. Step 5: Solve for x
    x = 615,392,010,479.34/985,321.80
  6. Step 6: Final answer
    x = 624,559.42

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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.