Home / 940,881.71-1,298,422.98-511,161.73

Finding the Fourth Proportional to 940,881.71, 1,298,422.98 and 511,161.73

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Solution

The fourth proportional to 940,881.71, 1,298,422.98 and 511,161.73 is: 705,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,881.71 : 1,298,422.98 = 511,161.73 : x
  2. Step 2: Convert to fraction form
    940,881.71/1,298,422.98 = 511,161.73/x
  3. Step 3: Cross multiply
    940,881.71x = 1,298,422.98 × 511,161.73
  4. Step 4: Simplify right side
    940,881.71x = 663,704,136,728.56
  5. Step 5: Solve for x
    x = 663,704,136,728.56/940,881.71
  6. Step 6: Final answer
    x = 705,406.57

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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.