Home / 876,628.70-1,314,943.05-856,945.70

Finding the Fourth Proportional to 876,628.70, 1,314,943.05 and 856,945.70

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Solution

The fourth proportional to 876,628.70, 1,314,943.05 and 856,945.70 is: 1,285,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,628.70 : 1,314,943.05 = 856,945.70 : x
  2. Step 2: Convert to fraction form
    876,628.70/1,314,943.05 = 856,945.70/x
  3. Step 3: Cross multiply
    876,628.70x = 1,314,943.05 × 856,945.70
  4. Step 4: Simplify right side
    876,628.70x = 1,126,834,792,442.39
  5. Step 5: Solve for x
    x = 1,126,834,792,442.39/876,628.70
  6. Step 6: Final answer
    x = 1,285,418.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.