Home / 1,403,385.39-1,936,662.44-791,543.21

Finding the Fourth Proportional to 1,403,385.39, 1,936,662.44 and 791,543.21

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Solution

The fourth proportional to 1,403,385.39, 1,936,662.44 and 791,543.21 is: 1,092,324.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,385.39 : 1,936,662.44 = 791,543.21 : x
  2. Step 2: Convert to fraction form
    1,403,385.39/1,936,662.44 = 791,543.21/x
  3. Step 3: Cross multiply
    1,403,385.39x = 1,936,662.44 × 791,543.21
  4. Step 4: Simplify right side
    1,403,385.39x = 1,532,951,990,803.00
  5. Step 5: Solve for x
    x = 1,532,951,990,803.00/1,403,385.39
  6. Step 6: Final answer
    x = 1,092,324.32

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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.