Home / 857,950.56-1,183,971.32-470,768.48

Finding the Fourth Proportional to 857,950.56, 1,183,971.32 and 470,768.48

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Solution

The fourth proportional to 857,950.56, 1,183,971.32 and 470,768.48 is: 649,660.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,950.56 : 1,183,971.32 = 470,768.48 : x
  2. Step 2: Convert to fraction form
    857,950.56/1,183,971.32 = 470,768.48/x
  3. Step 3: Cross multiply
    857,950.56x = 1,183,971.32 × 470,768.48
  4. Step 4: Simplify right side
    857,950.56x = 557,376,376,611.57
  5. Step 5: Solve for x
    x = 557,376,376,611.57/857,950.56
  6. Step 6: Final answer
    x = 649,660.25

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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.