Home / 419,127.21-577,293.68-322,145.61

Finding the Fourth Proportional to 419,127.21, 577,293.68 and 322,145.61

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Solution

The fourth proportional to 419,127.21, 577,293.68 and 322,145.61 is: 443,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,127.21 : 577,293.68 = 322,145.61 : x
  2. Step 2: Convert to fraction form
    419,127.21/577,293.68 = 322,145.61/x
  3. Step 3: Cross multiply
    419,127.21x = 577,293.68 × 322,145.61
  4. Step 4: Simplify right side
    419,127.21x = 185,972,623,333.26
  5. Step 5: Solve for x
    x = 185,972,623,333.26/419,127.21
  6. Step 6: Final answer
    x = 443,714.03

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1.5x scale

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.