Home / 1,135,515.51-1,703,098.85-415,687.55

Finding the Fourth Proportional to 1,135,515.51, 1,703,098.85 and 415,687.55

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Solution

The fourth proportional to 1,135,515.51, 1,703,098.85 and 415,687.55 is: 623,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,515.51 : 1,703,098.85 = 415,687.55 : x
  2. Step 2: Convert to fraction form
    1,135,515.51/1,703,098.85 = 415,687.55/x
  3. Step 3: Cross multiply
    1,135,515.51x = 1,703,098.85 × 415,687.55
  4. Step 4: Simplify right side
    1,135,515.51x = 707,956,977,770.39
  5. Step 5: Solve for x
    x = 707,956,977,770.39/1,135,515.51
  6. Step 6: Final answer
    x = 623,467.47

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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.