Home / 679,183.75-1,018,810.50-173,749.11

Finding the Fourth Proportional to 679,183.75, 1,018,810.50 and 173,749.11

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Solution

The fourth proportional to 679,183.75, 1,018,810.50 and 173,749.11 is: 260,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,183.75 : 1,018,810.50 = 173,749.11 : x
  2. Step 2: Convert to fraction form
    679,183.75/1,018,810.50 = 173,749.11/x
  3. Step 3: Cross multiply
    679,183.75x = 1,018,810.50 × 173,749.11
  4. Step 4: Simplify right side
    679,183.75x = 177,017,417,633.66
  5. Step 5: Solve for x
    x = 177,017,417,633.66/679,183.75
  6. Step 6: Final answer
    x = 260,632.59

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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.