Home / 1,256,930.89-1,734,603.83-713,089.60

Finding the Fourth Proportional to 1,256,930.89, 1,734,603.83 and 713,089.60

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Solution

The fourth proportional to 1,256,930.89, 1,734,603.83 and 713,089.60 is: 984,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,930.89 : 1,734,603.83 = 713,089.60 : x
  2. Step 2: Convert to fraction form
    1,256,930.89/1,734,603.83 = 713,089.60/x
  3. Step 3: Cross multiply
    1,256,930.89x = 1,734,603.83 × 713,089.60
  4. Step 4: Simplify right side
    1,256,930.89x = 1,236,927,951,293.17
  5. Step 5: Solve for x
    x = 1,236,927,951,293.17/1,256,930.89
  6. Step 6: Final answer
    x = 984,085.89

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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.