Home / 635,460.21-876,941.15-348,986.25

Finding the Fourth Proportional to 635,460.21, 876,941.15 and 348,986.25

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Solution

The fourth proportional to 635,460.21, 876,941.15 and 348,986.25 is: 481,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,460.21 : 876,941.15 = 348,986.25 : x
  2. Step 2: Convert to fraction form
    635,460.21/876,941.15 = 348,986.25/x
  3. Step 3: Cross multiply
    635,460.21x = 876,941.15 × 348,986.25
  4. Step 4: Simplify right side
    635,460.21x = 306,040,401,664.26
  5. Step 5: Solve for x
    x = 306,040,401,664.26/635,460.21
  6. Step 6: Final answer
    x = 481,604.35

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Double scale
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1.5x scale

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.