Home / 1,496,919.78-2,065,749.24-817,861.14

Finding the Fourth Proportional to 1,496,919.78, 2,065,749.24 and 817,861.14

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Solution

The fourth proportional to 1,496,919.78, 2,065,749.24 and 817,861.14 is: 1,128,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,919.78 : 2,065,749.24 = 817,861.14 : x
  2. Step 2: Convert to fraction form
    1,496,919.78/2,065,749.24 = 817,861.14/x
  3. Step 3: Cross multiply
    1,496,919.78x = 2,065,749.24 × 817,861.14
  4. Step 4: Simplify right side
    1,496,919.78x = 1,689,496,028,380.53
  5. Step 5: Solve for x
    x = 1,689,496,028,380.53/1,496,919.78
  6. Step 6: Final answer
    x = 1,128,648.34

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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.