Home / 384,432.34-530,766.25-344,076.12

Finding the Fourth Proportional to 384,432.34, 530,766.25 and 344,076.12

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Solution

The fourth proportional to 384,432.34, 530,766.25 and 344,076.12 is: 475,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,432.34 : 530,766.25 = 344,076.12 : x
  2. Step 2: Convert to fraction form
    384,432.34/530,766.25 = 344,076.12/x
  3. Step 3: Cross multiply
    384,432.34x = 530,766.25 × 344,076.12
  4. Step 4: Simplify right side
    384,432.34x = 182,623,991,926.95
  5. Step 5: Solve for x
    x = 182,623,991,926.95/384,432.34
  6. Step 6: Final answer
    x = 475,048.46

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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.