Home / 1,111,009.51-1,667,120.96-471,213.73

Finding the Fourth Proportional to 1,111,009.51, 1,667,120.96 and 471,213.73

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Solution

The fourth proportional to 1,111,009.51, 1,667,120.96 and 471,213.73 is: 707,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,009.51 : 1,667,120.96 = 471,213.73 : x
  2. Step 2: Convert to fraction form
    1,111,009.51/1,667,120.96 = 471,213.73/x
  3. Step 3: Cross multiply
    1,111,009.51x = 1,667,120.96 × 471,213.73
  4. Step 4: Simplify right side
    1,111,009.51x = 785,570,285,922.78
  5. Step 5: Solve for x
    x = 785,570,285,922.78/1,111,009.51
  6. Step 6: Final answer
    x = 707,077.91

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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.