Home / 543,290.34-749,747.21-301,577.70

Finding the Fourth Proportional to 543,290.34, 749,747.21 and 301,577.70

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Solution

The fourth proportional to 543,290.34, 749,747.21 and 301,577.70 is: 416,180.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,290.34 : 749,747.21 = 301,577.70 : x
  2. Step 2: Convert to fraction form
    543,290.34/749,747.21 = 301,577.70/x
  3. Step 3: Cross multiply
    543,290.34x = 749,747.21 × 301,577.70
  4. Step 4: Simplify right side
    543,290.34x = 226,107,039,173.22
  5. Step 5: Solve for x
    x = 226,107,039,173.22/543,290.34
  6. Step 6: Final answer
    x = 416,180.86

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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.