Home / 940,540.85-1,297,925.05-510,811.76

Finding the Fourth Proportional to 940,540.85, 1,297,925.05 and 510,811.76

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Solution

The fourth proportional to 940,540.85, 1,297,925.05 and 510,811.76 is: 704,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,540.85 : 1,297,925.05 = 510,811.76 : x
  2. Step 2: Convert to fraction form
    940,540.85/1,297,925.05 = 510,811.76/x
  3. Step 3: Cross multiply
    940,540.85x = 1,297,925.05 × 510,811.76
  4. Step 4: Simplify right side
    940,540.85x = 662,995,379,138.59
  5. Step 5: Solve for x
    x = 662,995,379,138.59/940,540.85
  6. Step 6: Final answer
    x = 704,908.65

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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.