Home / 438,125.25-604,612.88-236,921.25

Finding the Fourth Proportional to 438,125.25, 604,612.88 and 236,921.25

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Solution

The fourth proportional to 438,125.25, 604,612.88 and 236,921.25 is: 326,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,125.25 : 604,612.88 = 236,921.25 : x
  2. Step 2: Convert to fraction form
    438,125.25/604,612.88 = 236,921.25/x
  3. Step 3: Cross multiply
    438,125.25x = 604,612.88 × 236,921.25
  4. Step 4: Simplify right side
    438,125.25x = 143,245,638,111.09
  5. Step 5: Solve for x
    x = 143,245,638,111.09/438,125.25
  6. Step 6: Final answer
    x = 326,951.34

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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.