Home / 1,208,079.60-1,667,050.56-711,284.52

Finding the Fourth Proportional to 1,208,079.60, 1,667,050.56 and 711,284.52

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Solution

The fourth proportional to 1,208,079.60, 1,667,050.56 and 711,284.52 is: 981,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,079.60 : 1,667,050.56 = 711,284.52 : x
  2. Step 2: Convert to fraction form
    1,208,079.60/1,667,050.56 = 711,284.52/x
  3. Step 3: Cross multiply
    1,208,079.60x = 1,667,050.56 × 711,284.52
  4. Step 4: Simplify right side
    1,208,079.60x = 1,185,747,257,385.33
  5. Step 5: Solve for x
    x = 1,185,747,257,385.33/1,208,079.60
  6. Step 6: Final answer
    x = 981,514.18

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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.