Home / 454,588.83-681,809.54-214,702.47

Finding the Fourth Proportional to 454,588.83, 681,809.54 and 214,702.47

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Solution

The fourth proportional to 454,588.83, 681,809.54 and 214,702.47 is: 322,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,588.83 : 681,809.54 = 214,702.47 : x
  2. Step 2: Convert to fraction form
    454,588.83/681,809.54 = 214,702.47/x
  3. Step 3: Cross multiply
    454,588.83x = 681,809.54 × 214,702.47
  4. Step 4: Simplify right side
    454,588.83x = 146,386,191,234.05
  5. Step 5: Solve for x
    x = 146,386,191,234.05/454,588.83
  6. Step 6: Final answer
    x = 322,018.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.