Home / 764,552.56-1,146,967.08-315,023.35

Finding the Fourth Proportional to 764,552.56, 1,146,967.08 and 315,023.35

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Solution

The fourth proportional to 764,552.56, 1,146,967.08 and 315,023.35 is: 472,591.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,552.56 : 1,146,967.08 = 315,023.35 : x
  2. Step 2: Convert to fraction form
    764,552.56/1,146,967.08 = 315,023.35/x
  3. Step 3: Cross multiply
    764,552.56x = 1,146,967.08 × 315,023.35
  4. Step 4: Simplify right side
    764,552.56x = 361,321,411,881.32
  5. Step 5: Solve for x
    x = 361,321,411,881.32/764,552.56
  6. Step 6: Final answer
    x = 472,591.98

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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.