Home / 1,278,039.92-1,763,685.24-705,104.24

Finding the Fourth Proportional to 1,278,039.92, 1,763,685.24 and 705,104.24

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Solution

The fourth proportional to 1,278,039.92, 1,763,685.24 and 705,104.24 is: 973,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,039.92 : 1,763,685.24 = 705,104.24 : x
  2. Step 2: Convert to fraction form
    1,278,039.92/1,763,685.24 = 705,104.24/x
  3. Step 3: Cross multiply
    1,278,039.92x = 1,763,685.24 × 705,104.24
  4. Step 4: Simplify right side
    1,278,039.92x = 1,243,581,940,749.42
  5. Step 5: Solve for x
    x = 1,243,581,940,749.42/1,278,039.92
  6. Step 6: Final answer
    x = 973,038.42

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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.