Home / 1,210,672.22-1,670,581.38-694,399.36

Finding the Fourth Proportional to 1,210,672.22, 1,670,581.38 and 694,399.36

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Solution

The fourth proportional to 1,210,672.22, 1,670,581.38 and 694,399.36 is: 958,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,672.22 : 1,670,581.38 = 694,399.36 : x
  2. Step 2: Convert to fraction form
    1,210,672.22/1,670,581.38 = 694,399.36/x
  3. Step 3: Cross multiply
    1,210,672.22x = 1,670,581.38 × 694,399.36
  4. Step 4: Simplify right side
    1,210,672.22x = 1,160,050,641,099.92
  5. Step 5: Solve for x
    x = 1,160,050,641,099.92/1,210,672.22
  6. Step 6: Final answer
    x = 958,187.21

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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.