Home / 803,786.67-1,109,185.52-464,234.67

Finding the Fourth Proportional to 803,786.67, 1,109,185.52 and 464,234.67

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Solution

The fourth proportional to 803,786.67, 1,109,185.52 and 464,234.67 is: 640,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,786.67 : 1,109,185.52 = 464,234.67 : x
  2. Step 2: Convert to fraction form
    803,786.67/1,109,185.52 = 464,234.67/x
  3. Step 3: Cross multiply
    803,786.67x = 1,109,185.52 × 464,234.67
  4. Step 4: Simplify right side
    803,786.67x = 514,922,371,524.81
  5. Step 5: Solve for x
    x = 514,922,371,524.81/803,786.67
  6. Step 6: Final answer
    x = 640,620.69

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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.