Home / 447,534.36-617,610.50-243,598.44

Finding the Fourth Proportional to 447,534.36, 617,610.50 and 243,598.44

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Solution

The fourth proportional to 447,534.36, 617,610.50 and 243,598.44 is: 336,172.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,534.36 : 617,610.50 = 243,598.44 : x
  2. Step 2: Convert to fraction form
    447,534.36/617,610.50 = 243,598.44/x
  3. Step 3: Cross multiply
    447,534.36x = 617,610.50 × 243,598.44
  4. Step 4: Simplify right side
    447,534.36x = 150,448,950,021.58
  5. Step 5: Solve for x
    x = 150,448,950,021.58/447,534.36
  6. Step 6: Final answer
    x = 336,172.96

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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.