Home / 727,167.35-1,090,060.90-253,725.59

Finding the Fourth Proportional to 727,167.35, 1,090,060.90 and 253,725.59

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Solution

The fourth proportional to 727,167.35, 1,090,060.90 and 253,725.59 is: 380,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,167.35 : 1,090,060.90 = 253,725.59 : x
  2. Step 2: Convert to fraction form
    727,167.35/1,090,060.90 = 253,725.59/x
  3. Step 3: Cross multiply
    727,167.35x = 1,090,060.90 × 253,725.59
  4. Step 4: Simplify right side
    727,167.35x = 276,576,344,988.43
  5. Step 5: Solve for x
    x = 276,576,344,988.43/727,167.35
  6. Step 6: Final answer
    x = 380,347.58

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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.