Home / 394,272.54-544,095.60-212,984.40

Finding the Fourth Proportional to 394,272.54, 544,095.60 and 212,984.40

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Solution

The fourth proportional to 394,272.54, 544,095.60 and 212,984.40 is: 293,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,272.54 : 544,095.60 = 212,984.40 : x
  2. Step 2: Convert to fraction form
    394,272.54/544,095.60 = 212,984.40/x
  3. Step 3: Cross multiply
    394,272.54x = 544,095.60 × 212,984.40
  4. Step 4: Simplify right side
    394,272.54x = 115,883,874,908.64
  5. Step 5: Solve for x
    x = 115,883,874,908.64/394,272.54
  6. Step 6: Final answer
    x = 293,918.20

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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.