Home / 769,247.73-1,153,738.35-208,151.01

Finding the Fourth Proportional to 769,247.73, 1,153,738.35 and 208,151.01

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Solution

The fourth proportional to 769,247.73, 1,153,738.35 and 208,151.01 is: 312,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,247.73 : 1,153,738.35 = 208,151.01 : x
  2. Step 2: Convert to fraction form
    769,247.73/1,153,738.35 = 208,151.01/x
  3. Step 3: Cross multiply
    769,247.73x = 1,153,738.35 × 208,151.01
  4. Step 4: Simplify right side
    769,247.73x = 240,151,802,828.23
  5. Step 5: Solve for x
    x = 240,151,802,828.23/769,247.73
  6. Step 6: Final answer
    x = 312,190.46

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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.