Home / 1,210,834.11-1,671,022.89-694,584.21

Finding the Fourth Proportional to 1,210,834.11, 1,671,022.89 and 694,584.21

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Solution

The fourth proportional to 1,210,834.11, 1,671,022.89 and 694,584.21 is: 958,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,834.11 : 1,671,022.89 = 694,584.21 : x
  2. Step 2: Convert to fraction form
    1,210,834.11/1,671,022.89 = 694,584.21/x
  3. Step 3: Cross multiply
    1,210,834.11x = 1,671,022.89 × 694,584.21
  4. Step 4: Simplify right side
    1,210,834.11x = 1,160,666,113,942.57
  5. Step 5: Solve for x
    x = 1,160,666,113,942.57/1,210,834.11
  6. Step 6: Final answer
    x = 958,567.41

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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.