Home / 347,744.10-521,616.15-324,416.10

Finding the Fourth Proportional to 347,744.10, 521,616.15 and 324,416.10

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Solution

The fourth proportional to 347,744.10, 521,616.15 and 324,416.10 is: 486,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,744.10 : 521,616.15 = 324,416.10 : x
  2. Step 2: Convert to fraction form
    347,744.10/521,616.15 = 324,416.10/x
  3. Step 3: Cross multiply
    347,744.10x = 521,616.15 × 324,416.10
  4. Step 4: Simplify right side
    347,744.10x = 169,220,677,080.02
  5. Step 5: Solve for x
    x = 169,220,677,080.02/347,744.10
  6. Step 6: Final answer
    x = 486,624.15

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1.5x scale

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.