Home / 349,723.40-525,621.90-304,104.20

Finding the Fourth Proportional to 349,723.40, 525,621.90 and 304,104.20

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Solution

The fourth proportional to 349,723.40, 525,621.90 and 304,104.20 is: 457,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,723.40 : 525,621.90 = 304,104.20 : x
  2. Step 2: Convert to fraction form
    349,723.40/525,621.90 = 304,104.20/x
  3. Step 3: Cross multiply
    349,723.40x = 525,621.90 × 304,104.20
  4. Step 4: Simplify right side
    349,723.40x = 159,843,827,401.98
  5. Step 5: Solve for x
    x = 159,843,827,401.98/349,723.40
  6. Step 6: Final answer
    x = 457,057.86

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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.