Home / 447,736.38-617,887.27-243,798.47

Finding the Fourth Proportional to 447,736.38, 617,887.27 and 243,798.47

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Solution

The fourth proportional to 447,736.38, 617,887.27 and 243,798.47 is: 336,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,736.38 : 617,887.27 = 243,798.47 : x
  2. Step 2: Convert to fraction form
    447,736.38/617,887.27 = 243,798.47/x
  3. Step 3: Cross multiply
    447,736.38x = 617,887.27 × 243,798.47
  4. Step 4: Simplify right side
    447,736.38x = 150,639,971,058.48
  5. Step 5: Solve for x
    x = 150,639,971,058.48/447,736.38
  6. Step 6: Final answer
    x = 336,447.91

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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.