Home / 967,226.80-1,450,840.20-257,326.60

Finding the Fourth Proportional to 967,226.80, 1,450,840.20 and 257,326.60

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Solution

The fourth proportional to 967,226.80, 1,450,840.20 and 257,326.60 is: 385,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,226.80 : 1,450,840.20 = 257,326.60 : x
  2. Step 2: Convert to fraction form
    967,226.80/1,450,840.20 = 257,326.60/x
  3. Step 3: Cross multiply
    967,226.80x = 1,450,840.20 × 257,326.60
  4. Step 4: Simplify right side
    967,226.80x = 373,339,775,809.32
  5. Step 5: Solve for x
    x = 373,339,775,809.32/967,226.80
  6. Step 6: Final answer
    x = 385,989.90

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Double scale
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Similar ratio
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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.