Home / 1,511,878.96-2,086,241.53-931,008.93

Finding the Fourth Proportional to 1,511,878.96, 2,086,241.53 and 931,008.93

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Solution

The fourth proportional to 1,511,878.96, 2,086,241.53 and 931,008.93 is: 1,284,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,878.96 : 2,086,241.53 = 931,008.93 : x
  2. Step 2: Convert to fraction form
    1,511,878.96/2,086,241.53 = 931,008.93/x
  3. Step 3: Cross multiply
    1,511,878.96x = 2,086,241.53 × 931,008.93
  4. Step 4: Simplify right side
    1,511,878.96x = 1,942,309,494,566.86
  5. Step 5: Solve for x
    x = 1,942,309,494,566.86/1,511,878.96
  6. Step 6: Final answer
    x = 1,284,699.07

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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.