Home / 460,907.82-691,461.36-261,322.20

Finding the Fourth Proportional to 460,907.82, 691,461.36 and 261,322.20

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Solution

The fourth proportional to 460,907.82, 691,461.36 and 261,322.20 is: 392,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,907.82 : 691,461.36 = 261,322.20 : x
  2. Step 2: Convert to fraction form
    460,907.82/691,461.36 = 261,322.20/x
  3. Step 3: Cross multiply
    460,907.82x = 691,461.36 × 261,322.20
  4. Step 4: Simplify right side
    460,907.82x = 180,694,203,810.19
  5. Step 5: Solve for x
    x = 180,694,203,810.19/460,907.82
  6. Step 6: Final answer
    x = 392,039.79

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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.