Home / 543,213.69-749,669.93-301,496.28

Finding the Fourth Proportional to 543,213.69, 749,669.93 and 301,496.28

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Solution

The fourth proportional to 543,213.69, 749,669.93 and 301,496.28 is: 416,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,213.69 : 749,669.93 = 301,496.28 : x
  2. Step 2: Convert to fraction form
    543,213.69/749,669.93 = 301,496.28/x
  3. Step 3: Cross multiply
    543,213.69x = 749,669.93 × 301,496.28
  4. Step 4: Simplify right side
    543,213.69x = 226,022,695,122.86
  5. Step 5: Solve for x
    x = 226,022,695,122.86/543,213.69
  6. Step 6: Final answer
    x = 416,084.31

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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.