Home / 447,814.32-617,330.88-340,197.54

Finding the Fourth Proportional to 447,814.32, 617,330.88 and 340,197.54

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Solution

The fourth proportional to 447,814.32, 617,330.88 and 340,197.54 is: 468,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,814.32 : 617,330.88 = 340,197.54 : x
  2. Step 2: Convert to fraction form
    447,814.32/617,330.88 = 340,197.54/x
  3. Step 3: Cross multiply
    447,814.32x = 617,330.88 × 340,197.54
  4. Step 4: Simplify right side
    447,814.32x = 210,014,446,742.04
  5. Step 5: Solve for x
    x = 210,014,446,742.04/447,814.32
  6. Step 6: Final answer
    x = 468,976.62

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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.