Home / 1,311,524.42-1,809,996.28-730,786

Finding the Fourth Proportional to 1,311,524.42, 1,809,996.28 and 730,786

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Solution

The fourth proportional to 1,311,524.42, 1,809,996.28 and 730,786 is: 1,008,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,524.42 : 1,809,996.28 = 730,786 : x
  2. Step 2: Convert to fraction form
    1,311,524.42/1,809,996.28 = 730,786/x
  3. Step 3: Cross multiply
    1,311,524.42x = 1,809,996.28 × 730,786
  4. Step 4: Simplify right side
    1,311,524.42x = 1,322,719,941,476.08
  5. Step 5: Solve for x
    x = 1,322,719,941,476.08/1,311,524.42
  6. Step 6: Final answer
    x = 1,008,536.27

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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.