Home / 1,758,676.26-2,637,539.78-621,288.72

Finding the Fourth Proportional to 1,758,676.26, 2,637,539.78 and 621,288.72

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Solution

The fourth proportional to 1,758,676.26, 2,637,539.78 and 621,288.72 is: 931,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,676.26 : 2,637,539.78 = 621,288.72 : x
  2. Step 2: Convert to fraction form
    1,758,676.26/2,637,539.78 = 621,288.72/x
  3. Step 3: Cross multiply
    1,758,676.26x = 2,637,539.78 × 621,288.72
  4. Step 4: Simplify right side
    1,758,676.26x = 1,638,673,713,865.28
  5. Step 5: Solve for x
    x = 1,638,673,713,865.28/1,758,676.26
  6. Step 6: Final answer
    x = 931,765.41

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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.