Home / 1,319,814-1,821,344.94-716,202

Finding the Fourth Proportional to 1,319,814, 1,821,344.94 and 716,202

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Solution

The fourth proportional to 1,319,814, 1,821,344.94 and 716,202 is: 988,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,814 : 1,821,344.94 = 716,202 : x
  2. Step 2: Convert to fraction form
    1,319,814/1,821,344.94 = 716,202/x
  3. Step 3: Cross multiply
    1,319,814x = 1,821,344.94 × 716,202
  4. Step 4: Simplify right side
    1,319,814x = 1,304,450,888,717.88
  5. Step 5: Solve for x
    x = 1,304,450,888,717.88/1,319,814
  6. Step 6: Final answer
    x = 988,359.64

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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.