Home / 1,210,568.83-1,814,911.99-783,201.69

Finding the Fourth Proportional to 1,210,568.83, 1,814,911.99 and 783,201.69

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Solution

The fourth proportional to 1,210,568.83, 1,814,911.99 and 783,201.69 is: 1,174,193.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,568.83 : 1,814,911.99 = 783,201.69 : x
  2. Step 2: Convert to fraction form
    1,210,568.83/1,814,911.99 = 783,201.69/x
  3. Step 3: Cross multiply
    1,210,568.83x = 1,814,911.99 × 783,201.69
  4. Step 4: Simplify right side
    1,210,568.83x = 1,421,442,135,811.26
  5. Step 5: Solve for x
    x = 1,421,442,135,811.26/1,210,568.83
  6. Step 6: Final answer
    x = 1,174,193.57

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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.