Home / 773,400.36-1,160,144.86-204,766.67

Finding the Fourth Proportional to 773,400.36, 1,160,144.86 and 204,766.67

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Solution

The fourth proportional to 773,400.36, 1,160,144.86 and 204,766.67 is: 307,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,400.36 : 1,160,144.86 = 204,766.67 : x
  2. Step 2: Convert to fraction form
    773,400.36/1,160,144.86 = 204,766.67/x
  3. Step 3: Cross multiply
    773,400.36x = 1,160,144.86 × 204,766.67
  4. Step 4: Simplify right side
    773,400.36x = 237,558,999,699.82
  5. Step 5: Solve for x
    x = 237,558,999,699.82/773,400.36
  6. Step 6: Final answer
    x = 307,161.74

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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.