Home / 694,565.12-1,040,499.62-511,864.12

Finding the Fourth Proportional to 694,565.12, 1,040,499.62 and 511,864.12

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Solution

The fourth proportional to 694,565.12, 1,040,499.62 and 511,864.12 is: 766,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,565.12 : 1,040,499.62 = 511,864.12 : x
  2. Step 2: Convert to fraction form
    694,565.12/1,040,499.62 = 511,864.12/x
  3. Step 3: Cross multiply
    694,565.12x = 1,040,499.62 × 511,864.12
  4. Step 4: Simplify right side
    694,565.12x = 532,594,421,051.01
  5. Step 5: Solve for x
    x = 532,594,421,051.01/694,565.12
  6. Step 6: Final answer
    x = 766,802.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.