Home / 926,172.54-1,276,892.90-667,833.30

Finding the Fourth Proportional to 926,172.54, 1,276,892.90 and 667,833.30

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Solution

The fourth proportional to 926,172.54, 1,276,892.90 and 667,833.30 is: 920,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,172.54 : 1,276,892.90 = 667,833.30 : x
  2. Step 2: Convert to fraction form
    926,172.54/1,276,892.90 = 667,833.30/x
  3. Step 3: Cross multiply
    926,172.54x = 1,276,892.90 × 667,833.30
  4. Step 4: Simplify right side
    926,172.54x = 852,751,599,153.57
  5. Step 5: Solve for x
    x = 852,751,599,153.57/926,172.54
  6. Step 6: Final answer
    x = 920,726.50

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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.