Home / 804,548.10-1,205,072.55-488,453.70

Finding the Fourth Proportional to 804,548.10, 1,205,072.55 and 488,453.70

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Solution

The fourth proportional to 804,548.10, 1,205,072.55 and 488,453.70 is: 731,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,548.10 : 1,205,072.55 = 488,453.70 : x
  2. Step 2: Convert to fraction form
    804,548.10/1,205,072.55 = 488,453.70/x
  3. Step 3: Cross multiply
    804,548.10x = 1,205,072.55 × 488,453.70
  4. Step 4: Simplify right side
    804,548.10x = 588,622,145,815.94
  5. Step 5: Solve for x
    x = 588,622,145,815.94/804,548.10
  6. Step 6: Final answer
    x = 731,618.34

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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.