Home / 543,330.78-749,789.91-301,615.26

Finding the Fourth Proportional to 543,330.78, 749,789.91 and 301,615.26

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Solution

The fourth proportional to 543,330.78, 749,789.91 and 301,615.26 is: 416,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,330.78 : 749,789.91 = 301,615.26 : x
  2. Step 2: Convert to fraction form
    543,330.78/749,789.91 = 301,615.26/x
  3. Step 3: Cross multiply
    543,330.78x = 749,789.91 × 301,615.26
  4. Step 4: Simplify right side
    543,330.78x = 226,148,078,650.03
  5. Step 5: Solve for x
    x = 226,148,078,650.03/543,330.78
  6. Step 6: Final answer
    x = 416,225.41

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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.