Home / 1,397,545.29-1,928,600.82-785,700.72

Finding the Fourth Proportional to 1,397,545.29, 1,928,600.82 and 785,700.72

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Solution

The fourth proportional to 1,397,545.29, 1,928,600.82 and 785,700.72 is: 1,084,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,545.29 : 1,928,600.82 = 785,700.72 : x
  2. Step 2: Convert to fraction form
    1,397,545.29/1,928,600.82 = 785,700.72/x
  3. Step 3: Cross multiply
    1,397,545.29x = 1,928,600.82 × 785,700.72
  4. Step 4: Simplify right side
    1,397,545.29x = 1,515,303,052,866.59
  5. Step 5: Solve for x
    x = 1,515,303,052,866.59/1,397,545.29
  6. Step 6: Final answer
    x = 1,084,260.43

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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.