Home / 447,162.09-617,051.90-243,208.85

Finding the Fourth Proportional to 447,162.09, 617,051.90 and 243,208.85

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Solution

The fourth proportional to 447,162.09, 617,051.90 and 243,208.85 is: 335,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,162.09 : 617,051.90 = 243,208.85 : x
  2. Step 2: Convert to fraction form
    447,162.09/617,051.90 = 243,208.85/x
  3. Step 3: Cross multiply
    447,162.09x = 617,051.90 × 243,208.85
  4. Step 4: Simplify right side
    447,162.09x = 150,072,478,688.01
  5. Step 5: Solve for x
    x = 150,072,478,688.01/447,162.09
  6. Step 6: Final answer
    x = 335,610.92

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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.