Home / 722,939.83-1,084,707.50-317,923.83

Finding the Fourth Proportional to 722,939.83, 1,084,707.50 and 317,923.83

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Solution

The fourth proportional to 722,939.83, 1,084,707.50 and 317,923.83 is: 477,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,939.83 : 1,084,707.50 = 317,923.83 : x
  2. Step 2: Convert to fraction form
    722,939.83/1,084,707.50 = 317,923.83/x
  3. Step 3: Cross multiply
    722,939.83x = 1,084,707.50 × 317,923.83
  4. Step 4: Simplify right side
    722,939.83x = 344,854,362,829.73
  5. Step 5: Solve for x
    x = 344,854,362,829.73/722,939.83
  6. Step 6: Final answer
    x = 477,016.69

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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.