Home / 778,018.74-1,167,224.91-217,052.82

Finding the Fourth Proportional to 778,018.74, 1,167,224.91 and 217,052.82

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Solution

The fourth proportional to 778,018.74, 1,167,224.91 and 217,052.82 is: 325,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,018.74 : 1,167,224.91 = 217,052.82 : x
  2. Step 2: Convert to fraction form
    778,018.74/1,167,224.91 = 217,052.82/x
  3. Step 3: Cross multiply
    778,018.74x = 1,167,224.91 × 217,052.82
  4. Step 4: Simplify right side
    778,018.74x = 253,349,458,289.75
  5. Step 5: Solve for x
    x = 253,349,458,289.75/778,018.74
  6. Step 6: Final answer
    x = 325,634.13

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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.