Home / 715,945.44-1,073,917.75-210,510.62

Finding the Fourth Proportional to 715,945.44, 1,073,917.75 and 210,510.62

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Solution

The fourth proportional to 715,945.44, 1,073,917.75 and 210,510.62 is: 315,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,945.44 : 1,073,917.75 = 210,510.62 : x
  2. Step 2: Convert to fraction form
    715,945.44/1,073,917.75 = 210,510.62/x
  3. Step 3: Cross multiply
    715,945.44x = 1,073,917.75 × 210,510.62
  4. Step 4: Simplify right side
    715,945.44x = 226,071,091,381.51
  5. Step 5: Solve for x
    x = 226,071,091,381.51/715,945.44
  6. Step 6: Final answer
    x = 315,765.81

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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.