Home / 1,687,611.17-2,328,909.57-913,241.93

Finding the Fourth Proportional to 1,687,611.17, 2,328,909.57 and 913,241.93

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Solution

The fourth proportional to 1,687,611.17, 2,328,909.57 and 913,241.93 is: 1,260,277.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,611.17 : 2,328,909.57 = 913,241.93 : x
  2. Step 2: Convert to fraction form
    1,687,611.17/2,328,909.57 = 913,241.93/x
  3. Step 3: Cross multiply
    1,687,611.17x = 2,328,909.57 × 913,241.93
  4. Step 4: Simplify right side
    1,687,611.17x = 2,126,857,858,857.72
  5. Step 5: Solve for x
    x = 2,126,857,858,857.72/1,687,611.17
  6. Step 6: Final answer
    x = 1,260,277.19

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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.