Home / 543,290.84-749,747.90-301,578.20

Finding the Fourth Proportional to 543,290.84, 749,747.90 and 301,578.20

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Solution

The fourth proportional to 543,290.84, 749,747.90 and 301,578.20 is: 416,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,290.84 : 749,747.90 = 301,578.20 : x
  2. Step 2: Convert to fraction form
    543,290.84/749,747.90 = 301,578.20/x
  3. Step 3: Cross multiply
    543,290.84x = 749,747.90 × 301,578.20
  4. Step 4: Simplify right side
    543,290.84x = 226,107,622,135.78
  5. Step 5: Solve for x
    x = 226,107,622,135.78/543,290.84
  6. Step 6: Final answer
    x = 416,181.55

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1.5x scale

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.