Home / 572,022.96-789,389.51-313,904.18

Finding the Fourth Proportional to 572,022.96, 789,389.51 and 313,904.18

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Solution

The fourth proportional to 572,022.96, 789,389.51 and 313,904.18 is: 433,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022.96 : 789,389.51 = 313,904.18 : x
  2. Step 2: Convert to fraction form
    572,022.96/789,389.51 = 313,904.18/x
  3. Step 3: Cross multiply
    572,022.96x = 789,389.51 × 313,904.18
  4. Step 4: Simplify right side
    572,022.96x = 247,792,661,320.68
  5. Step 5: Solve for x
    x = 247,792,661,320.68/572,022.96
  6. Step 6: Final answer
    x = 433,186.57

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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.