Home / 663,299.80-994,945.65-189,986.02

Finding the Fourth Proportional to 663,299.80, 994,945.65 and 189,986.02

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Solution

The fourth proportional to 663,299.80, 994,945.65 and 189,986.02 is: 284,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,299.80 : 994,945.65 = 189,986.02 : x
  2. Step 2: Convert to fraction form
    663,299.80/994,945.65 = 189,986.02/x
  3. Step 3: Cross multiply
    663,299.80x = 994,945.65 × 189,986.02
  4. Step 4: Simplify right side
    663,299.80x = 189,025,764,159.81
  5. Step 5: Solve for x
    x = 189,025,764,159.81/663,299.80
  6. Step 6: Final answer
    x = 284,977.87

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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.