Home / 940,108.52-1,297,349.76-510,388.64

Finding the Fourth Proportional to 940,108.52, 1,297,349.76 and 510,388.64

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Solution

The fourth proportional to 940,108.52, 1,297,349.76 and 510,388.64 is: 704,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,108.52 : 1,297,349.76 = 510,388.64 : x
  2. Step 2: Convert to fraction form
    940,108.52/1,297,349.76 = 510,388.64/x
  3. Step 3: Cross multiply
    940,108.52x = 1,297,349.76 × 510,388.64
  4. Step 4: Simplify right side
    940,108.52x = 662,152,579,610.73
  5. Step 5: Solve for x
    x = 662,152,579,610.73/940,108.52
  6. Step 6: Final answer
    x = 704,336.32

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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.