Home / 626,211.16-864,173.07-339,731.25

Finding the Fourth Proportional to 626,211.16, 864,173.07 and 339,731.25

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Solution

The fourth proportional to 626,211.16, 864,173.07 and 339,731.25 is: 468,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,211.16 : 864,173.07 = 339,731.25 : x
  2. Step 2: Convert to fraction form
    626,211.16/864,173.07 = 339,731.25/x
  3. Step 3: Cross multiply
    626,211.16x = 864,173.07 × 339,731.25
  4. Step 4: Simplify right side
    626,211.16x = 293,586,597,287.44
  5. Step 5: Solve for x
    x = 293,586,597,287.44/626,211.16
  6. Step 6: Final answer
    x = 468,830.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.