Home / 466,170.37-643,364.85-272,637.25

Finding the Fourth Proportional to 466,170.37, 643,364.85 and 272,637.25

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Solution

The fourth proportional to 466,170.37, 643,364.85 and 272,637.25 is: 376,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,170.37 : 643,364.85 = 272,637.25 : x
  2. Step 2: Convert to fraction form
    466,170.37/643,364.85 = 272,637.25/x
  3. Step 3: Cross multiply
    466,170.37x = 643,364.85 × 272,637.25
  4. Step 4: Simplify right side
    466,170.37x = 175,405,223,450.66
  5. Step 5: Solve for x
    x = 175,405,223,450.66/466,170.37
  6. Step 6: Final answer
    x = 376,268.49

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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.