Home / 740,166.53-1,108,568.22-579,239.55

Finding the Fourth Proportional to 740,166.53, 1,108,568.22 and 579,239.55

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Solution

The fourth proportional to 740,166.53, 1,108,568.22 and 579,239.55 is: 867,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,166.53 : 1,108,568.22 = 579,239.55 : x
  2. Step 2: Convert to fraction form
    740,166.53/1,108,568.22 = 579,239.55/x
  3. Step 3: Cross multiply
    740,166.53x = 1,108,568.22 × 579,239.55
  4. Step 4: Simplify right side
    740,166.53x = 642,126,554,912.12
  5. Step 5: Solve for x
    x = 642,126,554,912.12/740,166.53
  6. Step 6: Final answer
    x = 867,543.36

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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.