Home / 957,837.96-1,321,812.78-528,141.67

Finding the Fourth Proportional to 957,837.96, 1,321,812.78 and 528,141.67

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Solution

The fourth proportional to 957,837.96, 1,321,812.78 and 528,141.67 is: 728,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,837.96 : 1,321,812.78 = 528,141.67 : x
  2. Step 2: Convert to fraction form
    957,837.96/1,321,812.78 = 528,141.67/x
  3. Step 3: Cross multiply
    957,837.96x = 1,321,812.78 × 528,141.67
  4. Step 4: Simplify right side
    957,837.96x = 698,104,403,771.48
  5. Step 5: Solve for x
    x = 698,104,403,771.48/957,837.96
  6. Step 6: Final answer
    x = 728,833.51

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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.