Home / 1,305,661.76-1,957,862.70-547,299.60

Finding the Fourth Proportional to 1,305,661.76, 1,957,862.70 and 547,299.60

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Solution

The fourth proportional to 1,305,661.76, 1,957,862.70 and 547,299.60 is: 820,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,661.76 : 1,957,862.70 = 547,299.60 : x
  2. Step 2: Convert to fraction form
    1,305,661.76/1,957,862.70 = 547,299.60/x
  3. Step 3: Cross multiply
    1,305,661.76x = 1,957,862.70 × 547,299.60
  4. Step 4: Simplify right side
    1,305,661.76x = 1,071,537,472,564.92
  5. Step 5: Solve for x
    x = 1,071,537,472,564.92/1,305,661.76
  6. Step 6: Final answer
    x = 820,685.35

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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.