Home / 1,623,856.78-2,435,119.26-486,218.26

Finding the Fourth Proportional to 1,623,856.78, 2,435,119.26 and 486,218.26

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Solution

The fourth proportional to 1,623,856.78, 2,435,119.26 and 486,218.26 is: 729,128.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,856.78 : 2,435,119.26 = 486,218.26 : x
  2. Step 2: Convert to fraction form
    1,623,856.78/2,435,119.26 = 486,218.26/x
  3. Step 3: Cross multiply
    1,623,856.78x = 2,435,119.26 × 486,218.26
  4. Step 4: Simplify right side
    1,623,856.78x = 1,183,999,449,489.69
  5. Step 5: Solve for x
    x = 1,183,999,449,489.69/1,623,856.78
  6. Step 6: Final answer
    x = 729,128.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.