Home / 572,077.59-789,467.08-317,469.75

Finding the Fourth Proportional to 572,077.59, 789,467.08 and 317,469.75

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Solution

The fourth proportional to 572,077.59, 789,467.08 and 317,469.75 is: 438,108.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,077.59 : 789,467.08 = 317,469.75 : x
  2. Step 2: Convert to fraction form
    572,077.59/789,467.08 = 317,469.75/x
  3. Step 3: Cross multiply
    572,077.59x = 789,467.08 × 317,469.75
  4. Step 4: Simplify right side
    572,077.59x = 250,631,919,878.17
  5. Step 5: Solve for x
    x = 250,631,919,878.17/572,077.59
  6. Step 6: Final answer
    x = 438,108.26

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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.