Home / 451,625.82-623,042.07-290,450.46

Finding the Fourth Proportional to 451,625.82, 623,042.07 and 290,450.46

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Solution

The fourth proportional to 451,625.82, 623,042.07 and 290,450.46 is: 400,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,625.82 : 623,042.07 = 290,450.46 : x
  2. Step 2: Convert to fraction form
    451,625.82/623,042.07 = 290,450.46/x
  3. Step 3: Cross multiply
    451,625.82x = 623,042.07 × 290,450.46
  4. Step 4: Simplify right side
    451,625.82x = 180,962,855,830.85
  5. Step 5: Solve for x
    x = 180,962,855,830.85/451,625.82
  6. Step 6: Final answer
    x = 400,692.01

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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.