Home / 447,478.32-617,508.36-243,533.28

Finding the Fourth Proportional to 447,478.32, 617,508.36 and 243,533.28

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Solution

The fourth proportional to 447,478.32, 617,508.36 and 243,533.28 is: 336,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,478.32 : 617,508.36 = 243,533.28 : x
  2. Step 2: Convert to fraction form
    447,478.32/617,508.36 = 243,533.28/x
  3. Step 3: Cross multiply
    447,478.32x = 617,508.36 × 243,533.28
  4. Step 4: Simplify right side
    447,478.32x = 150,383,836,338.22
  5. Step 5: Solve for x
    x = 150,383,836,338.22/447,478.32
  6. Step 6: Final answer
    x = 336,069.55

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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.