Home / 940,404.91-1,297,747.35-510,688.12

Finding the Fourth Proportional to 940,404.91, 1,297,747.35 and 510,688.12

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Solution

The fourth proportional to 940,404.91, 1,297,747.35 and 510,688.12 is: 704,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,404.91 : 1,297,747.35 = 510,688.12 : x
  2. Step 2: Convert to fraction form
    940,404.91/1,297,747.35 = 510,688.12/x
  3. Step 3: Cross multiply
    940,404.91x = 1,297,747.35 × 510,688.12
  4. Step 4: Simplify right side
    940,404.91x = 662,744,148,509.17
  5. Step 5: Solve for x
    x = 662,744,148,509.17/940,404.91
  6. Step 6: Final answer
    x = 704,743.39

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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.