Home / 543,450.83-749,985.57-301,733.41

Finding the Fourth Proportional to 543,450.83, 749,985.57 and 301,733.41

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Solution

The fourth proportional to 543,450.83, 749,985.57 and 301,733.41 is: 416,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,450.83 : 749,985.57 = 301,733.41 : x
  2. Step 2: Convert to fraction form
    543,450.83/749,985.57 = 301,733.41/x
  3. Step 3: Cross multiply
    543,450.83x = 749,985.57 × 301,733.41
  4. Step 4: Simplify right side
    543,450.83x = 226,295,701,978.23
  5. Step 5: Solve for x
    x = 226,295,701,978.23/543,450.83
  6. Step 6: Final answer
    x = 416,405.11

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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.