Home / 769,568.20-1,153,345.65-413,816.20

Finding the Fourth Proportional to 769,568.20, 1,153,345.65 and 413,816.20

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Solution

The fourth proportional to 769,568.20, 1,153,345.65 and 413,816.20 is: 620,183.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,568.20 : 1,153,345.65 = 413,816.20 : x
  2. Step 2: Convert to fraction form
    769,568.20/1,153,345.65 = 413,816.20/x
  3. Step 3: Cross multiply
    769,568.20x = 1,153,345.65 × 413,816.20
  4. Step 4: Simplify right side
    769,568.20x = 477,273,114,169.53
  5. Step 5: Solve for x
    x = 477,273,114,169.53/769,568.20
  6. Step 6: Final answer
    x = 620,183.00

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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.