Home / 447,657.03-617,768.27-243,710.37

Finding the Fourth Proportional to 447,657.03, 617,768.27 and 243,710.37

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Solution

The fourth proportional to 447,657.03, 617,768.27 and 243,710.37 is: 336,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,657.03 : 617,768.27 = 243,710.37 : x
  2. Step 2: Convert to fraction form
    447,657.03/617,768.27 = 243,710.37/x
  3. Step 3: Cross multiply
    447,657.03x = 617,768.27 × 243,710.37
  4. Step 4: Simplify right side
    447,657.03x = 150,556,533,351.32
  5. Step 5: Solve for x
    x = 150,556,533,351.32/447,657.03
  6. Step 6: Final answer
    x = 336,321.16

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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.