Home / 438,084.63-656,844.44-171,872.06

Finding the Fourth Proportional to 438,084.63, 656,844.44 and 171,872.06

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Solution

The fourth proportional to 438,084.63, 656,844.44 and 171,872.06 is: 257,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,084.63 : 656,844.44 = 171,872.06 : x
  2. Step 2: Convert to fraction form
    438,084.63/656,844.44 = 171,872.06/x
  3. Step 3: Cross multiply
    438,084.63x = 656,844.44 × 171,872.06
  4. Step 4: Simplify right side
    438,084.63x = 112,893,202,858.76
  5. Step 5: Solve for x
    x = 112,893,202,858.76/438,084.63
  6. Step 6: Final answer
    x = 257,697.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.