Home / 798,456.86-1,197,874.05-258,712.23

Finding the Fourth Proportional to 798,456.86, 1,197,874.05 and 258,712.23

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Solution

The fourth proportional to 798,456.86, 1,197,874.05 and 258,712.23 is: 388,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,456.86 : 1,197,874.05 = 258,712.23 : x
  2. Step 2: Convert to fraction form
    798,456.86/1,197,874.05 = 258,712.23/x
  3. Step 3: Cross multiply
    798,456.86x = 1,197,874.05 × 258,712.23
  4. Step 4: Simplify right side
    798,456.86x = 309,904,665,441.07
  5. Step 5: Solve for x
    x = 309,904,665,441.07/798,456.86
  6. Step 6: Final answer
    x = 388,129.51

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Double scale
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1.5x scale

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.