Home / 699,188.37-1,048,835.42-193,743.51

Finding the Fourth Proportional to 699,188.37, 1,048,835.42 and 193,743.51

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Solution

The fourth proportional to 699,188.37, 1,048,835.42 and 193,743.51 is: 290,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,188.37 : 1,048,835.42 = 193,743.51 : x
  2. Step 2: Convert to fraction form
    699,188.37/1,048,835.42 = 193,743.51/x
  3. Step 3: Cross multiply
    699,188.37x = 1,048,835.42 × 193,743.51
  4. Step 4: Simplify right side
    699,188.37x = 203,205,057,407.51
  5. Step 5: Solve for x
    x = 203,205,057,407.51/699,188.37
  6. Step 6: Final answer
    x = 290,629.92

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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.