Home / 764,451.98-1,146,684.89-231,973.01

Finding the Fourth Proportional to 764,451.98, 1,146,684.89 and 231,973.01

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Solution

The fourth proportional to 764,451.98, 1,146,684.89 and 231,973.01 is: 347,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,451.98 : 1,146,684.89 = 231,973.01 : x
  2. Step 2: Convert to fraction form
    764,451.98/1,146,684.89 = 231,973.01/x
  3. Step 3: Cross multiply
    764,451.98x = 1,146,684.89 × 231,973.01
  4. Step 4: Simplify right side
    764,451.98x = 265,999,938,561.53
  5. Step 5: Solve for x
    x = 265,999,938,561.53/764,451.98
  6. Step 6: Final answer
    x = 347,961.61

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Double scale
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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.