Home / 579,188.64-799,312.32-324,621.60

Finding the Fourth Proportional to 579,188.64, 799,312.32 and 324,621.60

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Solution

The fourth proportional to 579,188.64, 799,312.32 and 324,621.60 is: 447,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,188.64 : 799,312.32 = 324,621.60 : x
  2. Step 2: Convert to fraction form
    579,188.64/799,312.32 = 324,621.60/x
  3. Step 3: Cross multiply
    579,188.64x = 799,312.32 × 324,621.60
  4. Step 4: Simplify right side
    579,188.64x = 259,474,044,218.11
  5. Step 5: Solve for x
    x = 259,474,044,218.11/579,188.64
  6. Step 6: Final answer
    x = 447,995.74

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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.