Home / 940,403.70-1,297,745.67-510,686.91

Finding the Fourth Proportional to 940,403.70, 1,297,745.67 and 510,686.91

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Solution

The fourth proportional to 940,403.70, 1,297,745.67 and 510,686.91 is: 704,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,403.70 : 1,297,745.67 = 510,686.91 : x
  2. Step 2: Convert to fraction form
    940,403.70/1,297,745.67 = 510,686.91/x
  3. Step 3: Cross multiply
    940,403.70x = 1,297,745.67 × 510,686.91
  4. Step 4: Simplify right side
    940,403.70x = 662,741,726,178.18
  5. Step 5: Solve for x
    x = 662,741,726,178.18/940,403.70
  6. Step 6: Final answer
    x = 704,741.73

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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.