Home / 740,551.44-1,110,739.14-193,407.78

Finding the Fourth Proportional to 740,551.44, 1,110,739.14 and 193,407.78

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Solution

The fourth proportional to 740,551.44, 1,110,739.14 and 193,407.78 is: 290,088.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,551.44 : 1,110,739.14 = 193,407.78 : x
  2. Step 2: Convert to fraction form
    740,551.44/1,110,739.14 = 193,407.78/x
  3. Step 3: Cross multiply
    740,551.44x = 1,110,739.14 × 193,407.78
  4. Step 4: Simplify right side
    740,551.44x = 214,825,591,226.51
  5. Step 5: Solve for x
    x = 214,825,591,226.51/740,551.44
  6. Step 6: Final answer
    x = 290,088.68

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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.