Home / 1,086,186.13-1,629,359.16-287,462.30

Finding the Fourth Proportional to 1,086,186.13, 1,629,359.16 and 287,462.30

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Solution

The fourth proportional to 1,086,186.13, 1,629,359.16 and 287,462.30 is: 431,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,186.13 : 1,629,359.16 = 287,462.30 : x
  2. Step 2: Convert to fraction form
    1,086,186.13/1,629,359.16 = 287,462.30/x
  3. Step 3: Cross multiply
    1,086,186.13x = 1,629,359.16 × 287,462.30
  4. Step 4: Simplify right side
    1,086,186.13x = 468,379,322,075.56
  5. Step 5: Solve for x
    x = 468,379,322,075.56/1,086,186.13
  6. Step 6: Final answer
    x = 431,214.61

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1.5x scale

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.