Home / 1,172,573.72-1,759,163.82-686,666.22

Finding the Fourth Proportional to 1,172,573.72, 1,759,163.82 and 686,666.22

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Solution

The fourth proportional to 1,172,573.72, 1,759,163.82 and 686,666.22 is: 1,030,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,573.72 : 1,759,163.82 = 686,666.22 : x
  2. Step 2: Convert to fraction form
    1,172,573.72/1,759,163.82 = 686,666.22/x
  3. Step 3: Cross multiply
    1,172,573.72x = 1,759,163.82 × 686,666.22
  4. Step 4: Simplify right side
    1,172,573.72x = 1,207,958,370,640.16
  5. Step 5: Solve for x
    x = 1,207,958,370,640.16/1,172,573.72
  6. Step 6: Final answer
    x = 1,030,176.91

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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.