Home / 545,786.14-814,841.66-417,028.56

Finding the Fourth Proportional to 545,786.14, 814,841.66 and 417,028.56

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Solution

The fourth proportional to 545,786.14, 814,841.66 and 417,028.56 is: 622,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,786.14 : 814,841.66 = 417,028.56 : x
  2. Step 2: Convert to fraction form
    545,786.14/814,841.66 = 417,028.56/x
  3. Step 3: Cross multiply
    545,786.14x = 814,841.66 × 417,028.56
  4. Step 4: Simplify right side
    545,786.14x = 339,812,242,012.67
  5. Step 5: Solve for x
    x = 339,812,242,012.67/545,786.14
  6. Step 6: Final answer
    x = 622,610.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.