Home / 350,909.40-524,828.10-313,738.20

Finding the Fourth Proportional to 350,909.40, 524,828.10 and 313,738.20

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Solution

The fourth proportional to 350,909.40, 524,828.10 and 313,738.20 is: 469,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,909.40 : 524,828.10 = 313,738.20 : x
  2. Step 2: Convert to fraction form
    350,909.40/524,828.10 = 313,738.20/x
  3. Step 3: Cross multiply
    350,909.40x = 524,828.10 × 313,738.20
  4. Step 4: Simplify right side
    350,909.40x = 164,658,623,403.42
  5. Step 5: Solve for x
    x = 164,658,623,403.42/350,909.40
  6. Step 6: Final answer
    x = 469,234.01

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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.