Home / 447,109.26-617,004.81-243,155.76

Finding the Fourth Proportional to 447,109.26, 617,004.81 and 243,155.76

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Solution

The fourth proportional to 447,109.26, 617,004.81 and 243,155.76 is: 335,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,109.26 : 617,004.81 = 243,155.76 : x
  2. Step 2: Convert to fraction form
    447,109.26/617,004.81 = 243,155.76/x
  3. Step 3: Cross multiply
    447,109.26x = 617,004.81 × 243,155.76
  4. Step 4: Simplify right side
    447,109.26x = 150,028,272,283.43
  5. Step 5: Solve for x
    x = 150,028,272,283.43/447,109.26
  6. Step 6: Final answer
    x = 335,551.70

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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.