Home / 1,243,376.22-1,715,788.80-699,534.94

Finding the Fourth Proportional to 1,243,376.22, 1,715,788.80 and 699,534.94

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Solution

The fourth proportional to 1,243,376.22, 1,715,788.80 and 699,534.94 is: 965,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,376.22 : 1,715,788.80 = 699,534.94 : x
  2. Step 2: Convert to fraction form
    1,243,376.22/1,715,788.80 = 699,534.94/x
  3. Step 3: Cross multiply
    1,243,376.22x = 1,715,788.80 × 699,534.94
  4. Step 4: Simplify right side
    1,243,376.22x = 1,200,254,215,260.67
  5. Step 5: Solve for x
    x = 1,200,254,215,260.67/1,243,376.22
  6. Step 6: Final answer
    x = 965,318.62

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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.