Home / 394,880.48-544,935.08-213,592.40

Finding the Fourth Proportional to 394,880.48, 544,935.08 and 213,592.40

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Solution

The fourth proportional to 394,880.48, 544,935.08 and 213,592.40 is: 294,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,880.48 : 544,935.08 = 213,592.40 : x
  2. Step 2: Convert to fraction form
    394,880.48/544,935.08 = 213,592.40/x
  3. Step 3: Cross multiply
    394,880.48x = 544,935.08 × 213,592.40
  4. Step 4: Simplify right side
    394,880.48x = 116,393,991,581.39
  5. Step 5: Solve for x
    x = 116,393,991,581.39/394,880.48
  6. Step 6: Final answer
    x = 294,757.52

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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.