Home / 1,216,821.92-1,677,457.68-834,242.72

Finding the Fourth Proportional to 1,216,821.92, 1,677,457.68 and 834,242.72

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Solution

The fourth proportional to 1,216,821.92, 1,677,457.68 and 834,242.72 is: 1,150,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,821.92 : 1,677,457.68 = 834,242.72 : x
  2. Step 2: Convert to fraction form
    1,216,821.92/1,677,457.68 = 834,242.72/x
  3. Step 3: Cross multiply
    1,216,821.92x = 1,677,457.68 × 834,242.72
  4. Step 4: Simplify right side
    1,216,821.92x = 1,399,406,857,648.09
  5. Step 5: Solve for x
    x = 1,399,406,857,648.09/1,216,821.92
  6. Step 6: Final answer
    x = 1,150,050.66

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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.