Home / 572,023.68-789,392.80-317,374.26

Finding the Fourth Proportional to 572,023.68, 789,392.80 and 317,374.26

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Solution

The fourth proportional to 572,023.68, 789,392.80 and 317,374.26 is: 437,976.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,023.68 : 789,392.80 = 317,374.26 : x
  2. Step 2: Convert to fraction form
    572,023.68/789,392.80 = 317,374.26/x
  3. Step 3: Cross multiply
    572,023.68x = 789,392.80 × 317,374.26
  4. Step 4: Simplify right side
    572,023.68x = 250,532,955,749.33
  5. Step 5: Solve for x
    x = 250,532,955,749.33/572,023.68
  6. Step 6: Final answer
    x = 437,976.55

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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.