Home / 628,157.20-941,920.44-290,907.76

Finding the Fourth Proportional to 628,157.20, 941,920.44 and 290,907.76

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Solution

The fourth proportional to 628,157.20, 941,920.44 and 290,907.76 is: 436,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,157.20 : 941,920.44 = 290,907.76 : x
  2. Step 2: Convert to fraction form
    628,157.20/941,920.44 = 290,907.76/x
  3. Step 3: Cross multiply
    628,157.20x = 941,920.44 × 290,907.76
  4. Step 4: Simplify right side
    628,157.20x = 274,011,965,298.61
  5. Step 5: Solve for x
    x = 274,011,965,298.61/628,157.20
  6. Step 6: Final answer
    x = 436,215.59

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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.