Home / 683,997.18-943,786.20-429,233.56

Finding the Fourth Proportional to 683,997.18, 943,786.20 and 429,233.56

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Solution

The fourth proportional to 683,997.18, 943,786.20 and 429,233.56 is: 592,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,997.18 : 943,786.20 = 429,233.56 : x
  2. Step 2: Convert to fraction form
    683,997.18/943,786.20 = 429,233.56/x
  3. Step 3: Cross multiply
    683,997.18x = 943,786.20 × 429,233.56
  4. Step 4: Simplify right side
    683,997.18x = 405,104,710,504.87
  5. Step 5: Solve for x
    x = 405,104,710,504.87/683,997.18
  6. Step 6: Final answer
    x = 592,260.79

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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.