Home / 635,379.48-876,837.96-348,900.84

Finding the Fourth Proportional to 635,379.48, 876,837.96 and 348,900.84

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Solution

The fourth proportional to 635,379.48, 876,837.96 and 348,900.84 is: 481,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,379.48 : 876,837.96 = 348,900.84 : x
  2. Step 2: Convert to fraction form
    635,379.48/876,837.96 = 348,900.84/x
  3. Step 3: Cross multiply
    635,379.48x = 876,837.96 × 348,900.84
  4. Step 4: Simplify right side
    635,379.48x = 305,929,500,787.89
  5. Step 5: Solve for x
    x = 305,929,500,787.89/635,379.48
  6. Step 6: Final answer
    x = 481,491.00

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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.