Home / 684,096.57-944,008.13-393,661.20

Finding the Fourth Proportional to 684,096.57, 944,008.13 and 393,661.20

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Solution

The fourth proportional to 684,096.57, 944,008.13 and 393,661.20 is: 543,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,096.57 : 944,008.13 = 393,661.20 : x
  2. Step 2: Convert to fraction form
    684,096.57/944,008.13 = 393,661.20/x
  3. Step 3: Cross multiply
    684,096.57x = 944,008.13 × 393,661.20
  4. Step 4: Simplify right side
    684,096.57x = 371,619,373,265.56
  5. Step 5: Solve for x
    x = 371,619,373,265.56/684,096.57
  6. Step 6: Final answer
    x = 543,226.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.