Home / 947,066.73-1,306,980.82-517,374.54

Finding the Fourth Proportional to 947,066.73, 1,306,980.82 and 517,374.54

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Solution

The fourth proportional to 947,066.73, 1,306,980.82 and 517,374.54 is: 713,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,066.73 : 1,306,980.82 = 517,374.54 : x
  2. Step 2: Convert to fraction form
    947,066.73/1,306,980.82 = 517,374.54/x
  3. Step 3: Cross multiply
    947,066.73x = 1,306,980.82 × 517,374.54
  4. Step 4: Simplify right side
    947,066.73x = 676,198,598,272.81
  5. Step 5: Solve for x
    x = 676,198,598,272.81/947,066.73
  6. Step 6: Final answer
    x = 713,992.56

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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.