Home / 571,971.56-789,320.43-313,850.16

Finding the Fourth Proportional to 571,971.56, 789,320.43 and 313,850.16

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Solution

The fourth proportional to 571,971.56, 789,320.43 and 313,850.16 is: 433,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,971.56 : 789,320.43 = 313,850.16 : x
  2. Step 2: Convert to fraction form
    571,971.56/789,320.43 = 313,850.16/x
  3. Step 3: Cross multiply
    571,971.56x = 789,320.43 × 313,850.16
  4. Step 4: Simplify right side
    571,971.56x = 247,728,343,246.77
  5. Step 5: Solve for x
    x = 247,728,343,246.77/571,971.56
  6. Step 6: Final answer
    x = 433,113.05

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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.