Home / 1,213,499.81-1,819,776.61-454,927.79

Finding the Fourth Proportional to 1,213,499.81, 1,819,776.61 and 454,927.79

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Solution

The fourth proportional to 1,213,499.81, 1,819,776.61 and 454,927.79 is: 682,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,499.81 : 1,819,776.61 = 454,927.79 : x
  2. Step 2: Convert to fraction form
    1,213,499.81/1,819,776.61 = 454,927.79/x
  3. Step 3: Cross multiply
    1,213,499.81x = 1,819,776.61 × 454,927.79
  4. Step 4: Simplify right side
    1,213,499.81x = 827,866,956,599.09
  5. Step 5: Solve for x
    x = 827,866,956,599.09/1,213,499.81
  6. Step 6: Final answer
    x = 682,214.33

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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.