Home / 1,879,667.56-2,819,501.34-459,706.78

Finding the Fourth Proportional to 1,879,667.56, 2,819,501.34 and 459,706.78

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Solution

The fourth proportional to 1,879,667.56, 2,819,501.34 and 459,706.78 is: 689,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,667.56 : 2,819,501.34 = 459,706.78 : x
  2. Step 2: Convert to fraction form
    1,879,667.56/2,819,501.34 = 459,706.78/x
  3. Step 3: Cross multiply
    1,879,667.56x = 2,819,501.34 × 459,706.78
  4. Step 4: Simplify right side
    1,879,667.56x = 1,296,143,882,217.09
  5. Step 5: Solve for x
    x = 1,296,143,882,217.09/1,879,667.56
  6. Step 6: Final answer
    x = 689,560.17

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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.