Home / 579,314.53-799,486.91-324,682.12

Finding the Fourth Proportional to 579,314.53, 799,486.91 and 324,682.12

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Solution

The fourth proportional to 579,314.53, 799,486.91 and 324,682.12 is: 448,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,314.53 : 799,486.91 = 324,682.12 : x
  2. Step 2: Convert to fraction form
    579,314.53/799,486.91 = 324,682.12/x
  3. Step 3: Cross multiply
    579,314.53x = 799,486.91 × 324,682.12
  4. Step 4: Simplify right side
    579,314.53x = 259,579,105,444.56
  5. Step 5: Solve for x
    x = 259,579,105,444.56/579,314.53
  6. Step 6: Final answer
    x = 448,079.74

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Double scale
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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.