Home / 1,347,980.78-1,857,998.75-955,647.56

Finding the Fourth Proportional to 1,347,980.78, 1,857,998.75 and 955,647.56

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Solution

The fourth proportional to 1,347,980.78, 1,857,998.75 and 955,647.56 is: 1,317,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,980.78 : 1,857,998.75 = 955,647.56 : x
  2. Step 2: Convert to fraction form
    1,347,980.78/1,857,998.75 = 955,647.56/x
  3. Step 3: Cross multiply
    1,347,980.78x = 1,857,998.75 × 955,647.56
  4. Step 4: Simplify right side
    1,347,980.78x = 1,775,591,957,852.32
  5. Step 5: Solve for x
    x = 1,775,591,957,852.32/1,347,980.78
  6. Step 6: Final answer
    x = 1,317,223.50

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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.