Home / 394,914.23-544,981.01-213,625.59

Finding the Fourth Proportional to 394,914.23, 544,981.01 and 213,625.59

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Solution

The fourth proportional to 394,914.23, 544,981.01 and 213,625.59 is: 294,802.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,914.23 : 544,981.01 = 213,625.59 : x
  2. Step 2: Convert to fraction form
    394,914.23/544,981.01 = 213,625.59/x
  3. Step 3: Cross multiply
    394,914.23x = 544,981.01 × 213,625.59
  4. Step 4: Simplify right side
    394,914.23x = 116,421,888,731.92
  5. Step 5: Solve for x
    x = 116,421,888,731.92/394,914.23
  6. Step 6: Final answer
    x = 294,802.98

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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.