Home / 519,944.52-779,914.73-164,986.22

Finding the Fourth Proportional to 519,944.52, 779,914.73 and 164,986.22

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Solution

The fourth proportional to 519,944.52, 779,914.73 and 164,986.22 is: 247,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,944.52 : 779,914.73 = 164,986.22 : x
  2. Step 2: Convert to fraction form
    519,944.52/779,914.73 = 164,986.22/x
  3. Step 3: Cross multiply
    519,944.52x = 779,914.73 × 164,986.22
  4. Step 4: Simplify right side
    519,944.52x = 128,675,180,272.21
  5. Step 5: Solve for x
    x = 128,675,180,272.21/519,944.52
  6. Step 6: Final answer
    x = 247,478.67

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.