Home / 626,585.76-939,883.70-177,321.28

Finding the Fourth Proportional to 626,585.76, 939,883.70 and 177,321.28

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Solution

The fourth proportional to 626,585.76, 939,883.70 and 177,321.28 is: 265,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,585.76 : 939,883.70 = 177,321.28 : x
  2. Step 2: Convert to fraction form
    626,585.76/939,883.70 = 177,321.28/x
  3. Step 3: Cross multiply
    626,585.76x = 939,883.70 × 177,321.28
  4. Step 4: Simplify right side
    626,585.76x = 166,661,380,735.14
  5. Step 5: Solve for x
    x = 166,661,380,735.14/626,585.76
  6. Step 6: Final answer
    x = 265,983.35

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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.