Home / 505,616.09-697,746.06-276,173.52

Finding the Fourth Proportional to 505,616.09, 697,746.06 and 276,173.52

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Solution

The fourth proportional to 505,616.09, 697,746.06 and 276,173.52 is: 381,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,616.09 : 697,746.06 = 276,173.52 : x
  2. Step 2: Convert to fraction form
    505,616.09/697,746.06 = 276,173.52/x
  3. Step 3: Cross multiply
    505,616.09x = 697,746.06 × 276,173.52
  4. Step 4: Simplify right side
    505,616.09x = 192,698,985,456.33
  5. Step 5: Solve for x
    x = 192,698,985,456.33/505,616.09
  6. Step 6: Final answer
    x = 381,117.19

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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.