Home / 325,890.80-488,836.20-297,897.20

Finding the Fourth Proportional to 325,890.80, 488,836.20 and 297,897.20

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Solution

The fourth proportional to 325,890.80, 488,836.20 and 297,897.20 is: 446,845.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,890.80 : 488,836.20 = 297,897.20 : x
  2. Step 2: Convert to fraction form
    325,890.80/488,836.20 = 297,897.20/x
  3. Step 3: Cross multiply
    325,890.80x = 488,836.20 × 297,897.20
  4. Step 4: Simplify right side
    325,890.80x = 145,622,935,238.64
  5. Step 5: Solve for x
    x = 145,622,935,238.64/325,890.80
  6. Step 6: Final answer
    x = 446,845.80

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Similar ratio
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1.5x scale

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.