Home / 699,240.32-1,049,907.36-400,058.24

Finding the Fourth Proportional to 699,240.32, 1,049,907.36 and 400,058.24

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Solution

The fourth proportional to 699,240.32, 1,049,907.36 and 400,058.24 is: 600,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,240.32 : 1,049,907.36 = 400,058.24 : x
  2. Step 2: Convert to fraction form
    699,240.32/1,049,907.36 = 400,058.24/x
  3. Step 3: Cross multiply
    699,240.32x = 1,049,907.36 × 400,058.24
  4. Step 4: Simplify right side
    699,240.32x = 420,024,090,604.65
  5. Step 5: Solve for x
    x = 420,024,090,604.65/699,240.32
  6. Step 6: Final answer
    x = 600,686.31

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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.