Home / 1,991,094.80-2,986,633.64-551,774.07

Finding the Fourth Proportional to 1,991,094.80, 2,986,633.64 and 551,774.07

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Solution

The fourth proportional to 1,991,094.80, 2,986,633.64 and 551,774.07 is: 827,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,094.80 : 2,986,633.64 = 551,774.07 : x
  2. Step 2: Convert to fraction form
    1,991,094.80/2,986,633.64 = 551,774.07/x
  3. Step 3: Cross multiply
    1,991,094.80x = 2,986,633.64 × 551,774.07
  4. Step 4: Simplify right side
    1,991,094.80x = 1,647,947,000,521.15
  5. Step 5: Solve for x
    x = 1,647,947,000,521.15/1,991,094.80
  6. Step 6: Final answer
    x = 827,658.74

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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.