Home / 901,046.22-1,351,427.16-421,606.62

Finding the Fourth Proportional to 901,046.22, 1,351,427.16 and 421,606.62

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Solution

The fourth proportional to 901,046.22, 1,351,427.16 and 421,606.62 is: 632,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,046.22 : 1,351,427.16 = 421,606.62 : x
  2. Step 2: Convert to fraction form
    901,046.22/1,351,427.16 = 421,606.62/x
  3. Step 3: Cross multiply
    901,046.22x = 1,351,427.16 × 421,606.62
  4. Step 4: Simplify right side
    901,046.22x = 569,770,637,103.80
  5. Step 5: Solve for x
    x = 569,770,637,103.80/901,046.22
  6. Step 6: Final answer
    x = 632,343.41

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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.