Home / 943,108.25-1,413,808.97-343,929.24

Finding the Fourth Proportional to 943,108.25, 1,413,808.97 and 343,929.24

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Solution

The fourth proportional to 943,108.25, 1,413,808.97 and 343,929.24 is: 515,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,108.25 : 1,413,808.97 = 343,929.24 : x
  2. Step 2: Convert to fraction form
    943,108.25/1,413,808.97 = 343,929.24/x
  3. Step 3: Cross multiply
    943,108.25x = 1,413,808.97 × 343,929.24
  4. Step 4: Simplify right side
    943,108.25x = 486,250,242,837.64
  5. Step 5: Solve for x
    x = 486,250,242,837.64/943,108.25
  6. Step 6: Final answer
    x = 515,582.64

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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.