Home / 809,437.80-1,214,156.70-248,399.40

Finding the Fourth Proportional to 809,437.80, 1,214,156.70 and 248,399.40

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Solution

The fourth proportional to 809,437.80, 1,214,156.70 and 248,399.40 is: 372,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,437.80 : 1,214,156.70 = 248,399.40 : x
  2. Step 2: Convert to fraction form
    809,437.80/1,214,156.70 = 248,399.40/x
  3. Step 3: Cross multiply
    809,437.80x = 1,214,156.70 × 248,399.40
  4. Step 4: Simplify right side
    809,437.80x = 301,595,795,785.98
  5. Step 5: Solve for x
    x = 301,595,795,785.98/809,437.80
  6. Step 6: Final answer
    x = 372,599.10

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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.