Home / 572,357.48-789,847.46-317,702.12

Finding the Fourth Proportional to 572,357.48, 789,847.46 and 317,702.12

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Solution

The fourth proportional to 572,357.48, 789,847.46 and 317,702.12 is: 438,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,357.48 : 789,847.46 = 317,702.12 : x
  2. Step 2: Convert to fraction form
    572,357.48/789,847.46 = 317,702.12/x
  3. Step 3: Cross multiply
    572,357.48x = 789,847.46 × 317,702.12
  4. Step 4: Simplify right side
    572,357.48x = 250,936,212,518.62
  5. Step 5: Solve for x
    x = 250,936,212,518.62/572,357.48
  6. Step 6: Final answer
    x = 438,425.67

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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.