Home / 638,567.10-957,364.65-323,250.30

Finding the Fourth Proportional to 638,567.10, 957,364.65 and 323,250.30

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Solution

The fourth proportional to 638,567.10, 957,364.65 and 323,250.30 is: 484,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,567.10 : 957,364.65 = 323,250.30 : x
  2. Step 2: Convert to fraction form
    638,567.10/957,364.65 = 323,250.30/x
  3. Step 3: Cross multiply
    638,567.10x = 957,364.65 × 323,250.30
  4. Step 4: Simplify right side
    638,567.10x = 309,468,410,321.90
  5. Step 5: Solve for x
    x = 309,468,410,321.90/638,567.10
  6. Step 6: Final answer
    x = 484,629.43

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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.