Home / 1,056,778.97-1,458,363.24-621,079.34

Finding the Fourth Proportional to 1,056,778.97, 1,458,363.24 and 621,079.34

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Solution

The fourth proportional to 1,056,778.97, 1,458,363.24 and 621,079.34 is: 857,094.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,778.97 : 1,458,363.24 = 621,079.34 : x
  2. Step 2: Convert to fraction form
    1,056,778.97/1,458,363.24 = 621,079.34/x
  3. Step 3: Cross multiply
    1,056,778.97x = 1,458,363.24 × 621,079.34
  4. Step 4: Simplify right side
    1,056,778.97x = 905,759,271,287.65
  5. Step 5: Solve for x
    x = 905,759,271,287.65/1,056,778.97
  6. Step 6: Final answer
    x = 857,094.34

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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.