Home / 438,190.25-604,702.55-236,986.25

Finding the Fourth Proportional to 438,190.25, 604,702.55 and 236,986.25

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Solution

The fourth proportional to 438,190.25, 604,702.55 and 236,986.25 is: 327,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,190.25 : 604,702.55 = 236,986.25 : x
  2. Step 2: Convert to fraction form
    438,190.25/604,702.55 = 236,986.25/x
  3. Step 3: Cross multiply
    438,190.25x = 604,702.55 × 236,986.25
  4. Step 4: Simplify right side
    438,190.25x = 143,306,188,505.01
  5. Step 5: Solve for x
    x = 143,306,188,505.01/438,190.25
  6. Step 6: Final answer
    x = 327,041.03

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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.