Home / 1,397,730.08-1,928,846.17-785,883.41

Finding the Fourth Proportional to 1,397,730.08, 1,928,846.17 and 785,883.41

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Solution

The fourth proportional to 1,397,730.08, 1,928,846.17 and 785,883.41 is: 1,084,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,730.08 : 1,928,846.17 = 785,883.41 : x
  2. Step 2: Convert to fraction form
    1,397,730.08/1,928,846.17 = 785,883.41/x
  3. Step 3: Cross multiply
    1,397,730.08x = 1,928,846.17 × 785,883.41
  4. Step 4: Simplify right side
    1,397,730.08x = 1,515,848,201,515.62
  5. Step 5: Solve for x
    x = 1,515,848,201,515.62/1,397,730.08
  6. Step 6: Final answer
    x = 1,084,507.10

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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.