Home / 572,330.61-789,776.73-317,661.75

Finding the Fourth Proportional to 572,330.61, 789,776.73 and 317,661.75

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Solution

The fourth proportional to 572,330.61, 789,776.73 and 317,661.75 is: 438,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,330.61 : 789,776.73 = 317,661.75 : x
  2. Step 2: Convert to fraction form
    572,330.61/789,776.73 = 317,661.75/x
  3. Step 3: Cross multiply
    572,330.61x = 789,776.73 × 317,661.75
  4. Step 4: Simplify right side
    572,330.61x = 250,881,858,161.08
  5. Step 5: Solve for x
    x = 250,881,858,161.08/572,330.61
  6. Step 6: Final answer
    x = 438,351.28

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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.