Home / 447,819.08-617,337.44-340,202.30

Finding the Fourth Proportional to 447,819.08, 617,337.44 and 340,202.30

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Solution

The fourth proportional to 447,819.08, 617,337.44 and 340,202.30 is: 468,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,819.08 : 617,337.44 = 340,202.30 : x
  2. Step 2: Convert to fraction form
    447,819.08/617,337.44 = 340,202.30/x
  3. Step 3: Cross multiply
    447,819.08x = 617,337.44 × 340,202.30
  4. Step 4: Simplify right side
    447,819.08x = 210,019,616,964.11
  5. Step 5: Solve for x
    x = 210,019,616,964.11/447,819.08
  6. Step 6: Final answer
    x = 468,983.18

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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.