Home / 1,791,018.41-2,686,882.15-511,636.92

Finding the Fourth Proportional to 1,791,018.41, 2,686,882.15 and 511,636.92

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Solution

The fourth proportional to 1,791,018.41, 2,686,882.15 and 511,636.92 is: 767,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,018.41 : 2,686,882.15 = 511,636.92 : x
  2. Step 2: Convert to fraction form
    1,791,018.41/2,686,882.15 = 511,636.92/x
  3. Step 3: Cross multiply
    1,791,018.41x = 2,686,882.15 × 511,636.92
  4. Step 4: Simplify right side
    1,791,018.41x = 1,374,708,098,192.72
  5. Step 5: Solve for x
    x = 1,374,708,098,192.72/1,791,018.41
  6. Step 6: Final answer
    x = 767,556.66

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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.