Home / 1,208,111.22-1,667,200.08-711,416.79

Finding the Fourth Proportional to 1,208,111.22, 1,667,200.08 and 711,416.79

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Solution

The fourth proportional to 1,208,111.22, 1,667,200.08 and 711,416.79 is: 981,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,111.22 : 1,667,200.08 = 711,416.79 : x
  2. Step 2: Convert to fraction form
    1,208,111.22/1,667,200.08 = 711,416.79/x
  3. Step 3: Cross multiply
    1,208,111.22x = 1,667,200.08 × 711,416.79
  4. Step 4: Simplify right side
    1,208,111.22x = 1,186,074,129,201.34
  5. Step 5: Solve for x
    x = 1,186,074,129,201.34/1,208,111.22
  6. Step 6: Final answer
    x = 981,759.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.