Home / 384,058.20-529,998.06-214,291.80

Finding the Fourth Proportional to 384,058.20, 529,998.06 and 214,291.80

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Solution

The fourth proportional to 384,058.20, 529,998.06 and 214,291.80 is: 295,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,058.20 : 529,998.06 = 214,291.80 : x
  2. Step 2: Convert to fraction form
    384,058.20/529,998.06 = 214,291.80/x
  3. Step 3: Cross multiply
    384,058.20x = 529,998.06 × 214,291.80
  4. Step 4: Simplify right side
    384,058.20x = 113,574,238,273.91
  5. Step 5: Solve for x
    x = 113,574,238,273.91/384,058.20
  6. Step 6: Final answer
    x = 295,721.43

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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.