Home / 394,853.20-544,897.53-222,807.63

Finding the Fourth Proportional to 394,853.20, 544,897.53 and 222,807.63

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Solution

The fourth proportional to 394,853.20, 544,897.53 and 222,807.63 is: 307,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,853.20 : 544,897.53 = 222,807.63 : x
  2. Step 2: Convert to fraction form
    394,853.20/544,897.53 = 222,807.63/x
  3. Step 3: Cross multiply
    394,853.20x = 544,897.53 × 222,807.63
  4. Step 4: Simplify right side
    394,853.20x = 121,407,329,295.52
  5. Step 5: Solve for x
    x = 121,407,329,295.52/394,853.20
  6. Step 6: Final answer
    x = 307,474.60

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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.