Home / 451,535.64-623,147.28-250,331.64

Finding the Fourth Proportional to 451,535.64, 623,147.28 and 250,331.64

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Solution

The fourth proportional to 451,535.64, 623,147.28 and 250,331.64 is: 345,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,535.64 : 623,147.28 = 250,331.64 : x
  2. Step 2: Convert to fraction form
    451,535.64/623,147.28 = 250,331.64/x
  3. Step 3: Cross multiply
    451,535.64x = 623,147.28 × 250,331.64
  4. Step 4: Simplify right side
    451,535.64x = 155,993,480,563.94
  5. Step 5: Solve for x
    x = 155,993,480,563.94/451,535.64
  6. Step 6: Final answer
    x = 345,473.24

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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.