Home / 447,475.14-617,543.25-256,517.23

Finding the Fourth Proportional to 447,475.14, 617,543.25 and 256,517.23

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Solution

The fourth proportional to 447,475.14, 617,543.25 and 256,517.23 is: 354,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,475.14 : 617,543.25 = 256,517.23 : x
  2. Step 2: Convert to fraction form
    447,475.14/617,543.25 = 256,517.23/x
  3. Step 3: Cross multiply
    447,475.14x = 617,543.25 × 256,517.23
  4. Step 4: Simplify right side
    447,475.14x = 158,410,483,895.20
  5. Step 5: Solve for x
    x = 158,410,483,895.20/447,475.14
  6. Step 6: Final answer
    x = 354,009.57

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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.