Home / 801,430.86-1,201,099.57-611,194.67

Finding the Fourth Proportional to 801,430.86, 1,201,099.57 and 611,194.67

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Solution

The fourth proportional to 801,430.86, 1,201,099.57 and 611,194.67 is: 915,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,430.86 : 1,201,099.57 = 611,194.67 : x
  2. Step 2: Convert to fraction form
    801,430.86/1,201,099.57 = 611,194.67/x
  3. Step 3: Cross multiply
    801,430.86x = 1,201,099.57 × 611,194.67
  4. Step 4: Simplify right side
    801,430.86x = 734,105,647,789.81
  5. Step 5: Solve for x
    x = 734,105,647,789.81/801,430.86
  6. Step 6: Final answer
    x = 915,993.74

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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.