Home / 656,518.10-984,382.94-256,682.12

Finding the Fourth Proportional to 656,518.10, 984,382.94 and 256,682.12

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Solution

The fourth proportional to 656,518.10, 984,382.94 and 256,682.12 is: 384,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,518.10 : 984,382.94 = 256,682.12 : x
  2. Step 2: Convert to fraction form
    656,518.10/984,382.94 = 256,682.12/x
  3. Step 3: Cross multiply
    656,518.10x = 984,382.94 × 256,682.12
  4. Step 4: Simplify right side
    656,518.10x = 252,673,499,931.03
  5. Step 5: Solve for x
    x = 252,673,499,931.03/656,518.10
  6. Step 6: Final answer
    x = 384,869.05

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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.