Home / 626,602.82-939,940.79-177,286.10

Finding the Fourth Proportional to 626,602.82, 939,940.79 and 177,286.10

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Solution

The fourth proportional to 626,602.82, 939,940.79 and 177,286.10 is: 265,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,602.82 : 939,940.79 = 177,286.10 : x
  2. Step 2: Convert to fraction form
    626,602.82/939,940.79 = 177,286.10/x
  3. Step 3: Cross multiply
    626,602.82x = 939,940.79 × 177,286.10
  4. Step 4: Simplify right side
    626,602.82x = 166,638,438,353.44
  5. Step 5: Solve for x
    x = 166,638,438,353.44/626,602.82
  6. Step 6: Final answer
    x = 265,939.50

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Double scale
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1.5x scale

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.