Home / 1,305,645.75-1,957,838.71-547,283.60

Finding the Fourth Proportional to 1,305,645.75, 1,957,838.71 and 547,283.60

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Solution

The fourth proportional to 1,305,645.75, 1,957,838.71 and 547,283.60 is: 820,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,645.75 : 1,957,838.71 = 547,283.60 : x
  2. Step 2: Convert to fraction form
    1,305,645.75/1,957,838.71 = 547,283.60/x
  3. Step 3: Cross multiply
    1,305,645.75x = 1,957,838.71 × 547,283.60
  4. Step 4: Simplify right side
    1,305,645.75x = 1,071,493,017,428.16
  5. Step 5: Solve for x
    x = 1,071,493,017,428.16/1,305,645.75
  6. Step 6: Final answer
    x = 820,661.36

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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.