Home / 764,376.49-1,146,702.62-314,851.96

Finding the Fourth Proportional to 764,376.49, 1,146,702.62 and 314,851.96

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Solution

The fourth proportional to 764,376.49, 1,146,702.62 and 314,851.96 is: 472,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,376.49 : 1,146,702.62 = 314,851.96 : x
  2. Step 2: Convert to fraction form
    764,376.49/1,146,702.62 = 314,851.96/x
  3. Step 3: Cross multiply
    764,376.49x = 1,146,702.62 × 314,851.96
  4. Step 4: Simplify right side
    764,376.49x = 361,041,567,444.14
  5. Step 5: Solve for x
    x = 361,041,567,444.14/764,376.49
  6. Step 6: Final answer
    x = 472,334.74

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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.