Home / 394,272.09-544,095.32-212,984.01

Finding the Fourth Proportional to 394,272.09, 544,095.32 and 212,984.01

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Solution

The fourth proportional to 394,272.09, 544,095.32 and 212,984.01 is: 293,917.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,272.09 : 544,095.32 = 212,984.01 : x
  2. Step 2: Convert to fraction form
    394,272.09/544,095.32 = 212,984.01/x
  3. Step 3: Cross multiply
    394,272.09x = 544,095.32 × 212,984.01
  4. Step 4: Simplify right side
    394,272.09x = 115,883,602,010.91
  5. Step 5: Solve for x
    x = 115,883,602,010.91/394,272.09
  6. Step 6: Final answer
    x = 293,917.84

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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.