Home / 628,149.20-941,908.44-290,899.76

Finding the Fourth Proportional to 628,149.20, 941,908.44 and 290,899.76

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Solution

The fourth proportional to 628,149.20, 941,908.44 and 290,899.76 is: 436,203.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,149.20 : 941,908.44 = 290,899.76 : x
  2. Step 2: Convert to fraction form
    628,149.20/941,908.44 = 290,899.76/x
  3. Step 3: Cross multiply
    628,149.20x = 941,908.44 × 290,899.76
  4. Step 4: Simplify right side
    628,149.20x = 274,000,939,137.97
  5. Step 5: Solve for x
    x = 274,000,939,137.97/628,149.20
  6. Step 6: Final answer
    x = 436,203.59

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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.