Home / 459,923.93-689,833.33-122,990.85

Finding the Fourth Proportional to 459,923.93, 689,833.33 and 122,990.85

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Solution

The fourth proportional to 459,923.93, 689,833.33 and 122,990.85 is: 184,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,923.93 : 689,833.33 = 122,990.85 : x
  2. Step 2: Convert to fraction form
    459,923.93/689,833.33 = 122,990.85/x
  3. Step 3: Cross multiply
    459,923.93x = 689,833.33 × 122,990.85
  4. Step 4: Simplify right side
    459,923.93x = 84,843,189,339.61
  5. Step 5: Solve for x
    x = 84,843,189,339.61/459,923.93
  6. Step 6: Final answer
    x = 184,472.22

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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.