Home / 1,149,487.66-1,586,292.60-666,333.28

Finding the Fourth Proportional to 1,149,487.66, 1,586,292.60 and 666,333.28

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Solution

The fourth proportional to 1,149,487.66, 1,586,292.60 and 666,333.28 is: 919,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,487.66 : 1,586,292.60 = 666,333.28 : x
  2. Step 2: Convert to fraction form
    1,149,487.66/1,586,292.60 = 666,333.28/x
  3. Step 3: Cross multiply
    1,149,487.66x = 1,586,292.60 × 666,333.28
  4. Step 4: Simplify right side
    1,149,487.66x = 1,056,999,551,197.73
  5. Step 5: Solve for x
    x = 1,056,999,551,197.73/1,149,487.66
  6. Step 6: Final answer
    x = 919,539.71

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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.