Home / 764,146.32-1,054,656.36-441,805.20

Finding the Fourth Proportional to 764,146.32, 1,054,656.36 and 441,805.20

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Solution

The fourth proportional to 764,146.32, 1,054,656.36 and 441,805.20 is: 609,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,146.32 : 1,054,656.36 = 441,805.20 : x
  2. Step 2: Convert to fraction form
    764,146.32/1,054,656.36 = 441,805.20/x
  3. Step 3: Cross multiply
    764,146.32x = 1,054,656.36 × 441,805.20
  4. Step 4: Simplify right side
    764,146.32x = 465,952,664,061.07
  5. Step 5: Solve for x
    x = 465,952,664,061.07/764,146.32
  6. Step 6: Final answer
    x = 609,768.90

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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.