Home / 947,373.96-1,307,376.42-511,791.48

Finding the Fourth Proportional to 947,373.96, 1,307,376.42 and 511,791.48

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Solution

The fourth proportional to 947,373.96, 1,307,376.42 and 511,791.48 is: 706,272.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,373.96 : 1,307,376.42 = 511,791.48 : x
  2. Step 2: Convert to fraction form
    947,373.96/1,307,376.42 = 511,791.48/x
  3. Step 3: Cross multiply
    947,373.96x = 1,307,376.42 × 511,791.48
  4. Step 4: Simplify right side
    947,373.96x = 669,104,112,908.90
  5. Step 5: Solve for x
    x = 669,104,112,908.90/947,373.96
  6. Step 6: Final answer
    x = 706,272.43

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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.