Home / 940,698.94-1,298,188.67-511,003.66

Finding the Fourth Proportional to 940,698.94, 1,298,188.67 and 511,003.66

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Solution

The fourth proportional to 940,698.94, 1,298,188.67 and 511,003.66 is: 705,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,698.94 : 1,298,188.67 = 511,003.66 : x
  2. Step 2: Convert to fraction form
    940,698.94/1,298,188.67 = 511,003.66/x
  3. Step 3: Cross multiply
    940,698.94x = 1,298,188.67 × 511,003.66
  4. Step 4: Simplify right side
    940,698.94x = 663,379,161,740.53
  5. Step 5: Solve for x
    x = 663,379,161,740.53/940,698.94
  6. Step 6: Final answer
    x = 705,198.16

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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.