Home / 579,243.18-799,347.87-324,599.34

Finding the Fourth Proportional to 579,243.18, 799,347.87 and 324,599.34

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Solution

The fourth proportional to 579,243.18, 799,347.87 and 324,599.34 is: 447,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,243.18 : 799,347.87 = 324,599.34 : x
  2. Step 2: Convert to fraction form
    579,243.18/799,347.87 = 324,599.34/x
  3. Step 3: Cross multiply
    579,243.18x = 799,347.87 × 324,599.34
  4. Step 4: Simplify right side
    579,243.18x = 259,467,791,032.41
  5. Step 5: Solve for x
    x = 259,467,791,032.41/579,243.18
  6. Step 6: Final answer
    x = 447,942.76

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Half scale
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Double scale
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Similar ratio
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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.