Home / 764,553.17-1,146,968.04-315,023.98

Finding the Fourth Proportional to 764,553.17, 1,146,968.04 and 315,023.98

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Solution

The fourth proportional to 764,553.17, 1,146,968.04 and 315,023.98 is: 472,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,553.17 : 1,146,968.04 = 315,023.98 : x
  2. Step 2: Convert to fraction form
    764,553.17/1,146,968.04 = 315,023.98/x
  3. Step 3: Cross multiply
    764,553.17x = 1,146,968.04 × 315,023.98
  4. Step 4: Simplify right side
    764,553.17x = 361,322,432,844.84
  5. Step 5: Solve for x
    x = 361,322,432,844.84/764,553.17
  6. Step 6: Final answer
    x = 472,592.94

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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.