Home / 1,014,394.56-1,521,022.80-694,907.28

Finding the Fourth Proportional to 1,014,394.56, 1,521,022.80 and 694,907.28

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Solution

The fourth proportional to 1,014,394.56, 1,521,022.80 and 694,907.28 is: 1,041,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,394.56 : 1,521,022.80 = 694,907.28 : x
  2. Step 2: Convert to fraction form
    1,014,394.56/1,521,022.80 = 694,907.28/x
  3. Step 3: Cross multiply
    1,014,394.56x = 1,521,022.80 × 694,907.28
  4. Step 4: Simplify right side
    1,014,394.56x = 1,056,969,816,765.98
  5. Step 5: Solve for x
    x = 1,056,969,816,765.98/1,014,394.56
  6. Step 6: Final answer
    x = 1,041,971.10

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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.