Home / 1,009,392.01-1,393,427.42-622,276.61

Finding the Fourth Proportional to 1,009,392.01, 1,393,427.42 and 622,276.61

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Solution

The fourth proportional to 1,009,392.01, 1,393,427.42 and 622,276.61 is: 859,029.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,392.01 : 1,393,427.42 = 622,276.61 : x
  2. Step 2: Convert to fraction form
    1,009,392.01/1,393,427.42 = 622,276.61/x
  3. Step 3: Cross multiply
    1,009,392.01x = 1,393,427.42 × 622,276.61
  4. Step 4: Simplify right side
    1,009,392.01x = 867,097,291,198.65
  5. Step 5: Solve for x
    x = 867,097,291,198.65/1,009,392.01
  6. Step 6: Final answer
    x = 859,029.28

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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.