Home / 349,724.40-525,623.40-304,105.20

Finding the Fourth Proportional to 349,724.40, 525,623.40 and 304,105.20

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Solution

The fourth proportional to 349,724.40, 525,623.40 and 304,105.20 is: 457,059.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,724.40 : 525,623.40 = 304,105.20 : x
  2. Step 2: Convert to fraction form
    349,724.40/525,623.40 = 304,105.20/x
  3. Step 3: Cross multiply
    349,724.40x = 525,623.40 × 304,105.20
  4. Step 4: Simplify right side
    349,724.40x = 159,844,809,181.68
  5. Step 5: Solve for x
    x = 159,844,809,181.68/349,724.40
  6. Step 6: Final answer
    x = 457,059.36

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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.