Home / 447,236.93-617,186.49-243,287.36

Finding the Fourth Proportional to 447,236.93, 617,186.49 and 243,287.36

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Solution

The fourth proportional to 447,236.93, 617,186.49 and 243,287.36 is: 335,736.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,236.93 : 617,186.49 = 243,287.36 : x
  2. Step 2: Convert to fraction form
    447,236.93/617,186.49 = 243,287.36/x
  3. Step 3: Cross multiply
    447,236.93x = 617,186.49 × 243,287.36
  4. Step 4: Simplify right side
    447,236.93x = 150,153,675,033.59
  5. Step 5: Solve for x
    x = 150,153,675,033.59/447,236.93
  6. Step 6: Final answer
    x = 335,736.31

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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.