Home / 383,144.09-528,699.07-235,945.55

Finding the Fourth Proportional to 383,144.09, 528,699.07 and 235,945.55

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Solution

The fourth proportional to 383,144.09, 528,699.07 and 235,945.55 is: 325,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,144.09 : 528,699.07 = 235,945.55 : x
  2. Step 2: Convert to fraction form
    383,144.09/528,699.07 = 235,945.55/x
  3. Step 3: Cross multiply
    383,144.09x = 528,699.07 × 235,945.55
  4. Step 4: Simplify right side
    383,144.09x = 124,744,192,855.64
  5. Step 5: Solve for x
    x = 124,744,192,855.64/383,144.09
  6. Step 6: Final answer
    x = 325,580.37

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1.5x scale

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.