Home / 394,264.74-544,085.52-212,976.66

Finding the Fourth Proportional to 394,264.74, 544,085.52 and 212,976.66

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Solution

The fourth proportional to 394,264.74, 544,085.52 and 212,976.66 is: 293,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,264.74 : 544,085.52 = 212,976.66 : x
  2. Step 2: Convert to fraction form
    394,264.74/544,085.52 = 212,976.66/x
  3. Step 3: Cross multiply
    394,264.74x = 544,085.52 × 212,976.66
  4. Step 4: Simplify right side
    394,264.74x = 115,877,516,803.96
  5. Step 5: Solve for x
    x = 115,877,516,803.96/394,264.74
  6. Step 6: Final answer
    x = 293,907.89

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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.