Home / 396,075.74-546,584.65-214,787.61

Finding the Fourth Proportional to 396,075.74, 546,584.65 and 214,787.61

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Solution

The fourth proportional to 396,075.74, 546,584.65 and 214,787.61 is: 296,406.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,075.74 : 546,584.65 = 214,787.61 : x
  2. Step 2: Convert to fraction form
    396,075.74/546,584.65 = 214,787.61/x
  3. Step 3: Cross multiply
    396,075.74x = 546,584.65 × 214,787.61
  4. Step 4: Simplify right side
    396,075.74x = 117,399,612,148.91
  5. Step 5: Solve for x
    x = 117,399,612,148.91/396,075.74
  6. Step 6: Final answer
    x = 296,406.98

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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.