Home / 764,412.90-1,146,619.35-231,908.10

Finding the Fourth Proportional to 764,412.90, 1,146,619.35 and 231,908.10

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Solution

The fourth proportional to 764,412.90, 1,146,619.35 and 231,908.10 is: 347,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,412.90 : 1,146,619.35 = 231,908.10 : x
  2. Step 2: Convert to fraction form
    764,412.90/1,146,619.35 = 231,908.10/x
  3. Step 3: Cross multiply
    764,412.90x = 1,146,619.35 × 231,908.10
  4. Step 4: Simplify right side
    764,412.90x = 265,910,314,881.74
  5. Step 5: Solve for x
    x = 265,910,314,881.74/764,412.90
  6. Step 6: Final answer
    x = 347,862.15

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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.