Home / 1,638,981.72-2,458,833.66-501,752.52

Finding the Fourth Proportional to 1,638,981.72, 2,458,833.66 and 501,752.52

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Solution

The fourth proportional to 1,638,981.72, 2,458,833.66 and 501,752.52 is: 752,739.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,981.72 : 2,458,833.66 = 501,752.52 : x
  2. Step 2: Convert to fraction form
    1,638,981.72/2,458,833.66 = 501,752.52/x
  3. Step 3: Cross multiply
    1,638,981.72x = 2,458,833.66 × 501,752.52
  4. Step 4: Simplify right side
    1,638,981.72x = 1,233,725,985,165.82
  5. Step 5: Solve for x
    x = 1,233,725,985,165.82/1,638,981.72
  6. Step 6: Final answer
    x = 752,739.32

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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.