Home / 1,690,753.53-2,333,239.92-926,790.69

Finding the Fourth Proportional to 1,690,753.53, 2,333,239.92 and 926,790.69

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Solution

The fourth proportional to 1,690,753.53, 2,333,239.92 and 926,790.69 is: 1,278,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,753.53 : 2,333,239.92 = 926,790.69 : x
  2. Step 2: Convert to fraction form
    1,690,753.53/2,333,239.92 = 926,790.69/x
  3. Step 3: Cross multiply
    1,690,753.53x = 2,333,239.92 × 926,790.69
  4. Step 4: Simplify right side
    1,690,753.53x = 2,162,425,035,392.34
  5. Step 5: Solve for x
    x = 2,162,425,035,392.34/1,690,753.53
  6. Step 6: Final answer
    x = 1,278,971.18

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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.