Home / 626,612.53-939,968.46-177,336.21

Finding the Fourth Proportional to 626,612.53, 939,968.46 and 177,336.21

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Solution

The fourth proportional to 626,612.53, 939,968.46 and 177,336.21 is: 266,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,612.53 : 939,968.46 = 177,336.21 : x
  2. Step 2: Convert to fraction form
    626,612.53/939,968.46 = 177,336.21/x
  3. Step 3: Cross multiply
    626,612.53x = 939,968.46 × 177,336.21
  4. Step 4: Simplify right side
    626,612.53x = 166,690,444,215.94
  5. Step 5: Solve for x
    x = 166,690,444,215.94/626,612.53
  6. Step 6: Final answer
    x = 266,018.37

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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.