Home / 1,720,228.51-2,373,649.62-995,143.69

Finding the Fourth Proportional to 1,720,228.51, 2,373,649.62 and 995,143.69

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Solution

The fourth proportional to 1,720,228.51, 2,373,649.62 and 995,143.69 is: 1,373,144.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,228.51 : 2,373,649.62 = 995,143.69 : x
  2. Step 2: Convert to fraction form
    1,720,228.51/2,373,649.62 = 995,143.69/x
  3. Step 3: Cross multiply
    1,720,228.51x = 2,373,649.62 × 995,143.69
  4. Step 4: Simplify right side
    1,720,228.51x = 2,362,122,441,613.90
  5. Step 5: Solve for x
    x = 2,362,122,441,613.90/1,720,228.51
  6. Step 6: Final answer
    x = 1,373,144.57

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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.