Home / 1,298,893.44-1,947,514.68-1,139,289.84

Finding the Fourth Proportional to 1,298,893.44, 1,947,514.68 and 1,139,289.84

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Solution

The fourth proportional to 1,298,893.44, 1,947,514.68 and 1,139,289.84 is: 1,708,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,893.44 : 1,947,514.68 = 1,139,289.84 : x
  2. Step 2: Convert to fraction form
    1,298,893.44/1,947,514.68 = 1,139,289.84/x
  3. Step 3: Cross multiply
    1,298,893.44x = 1,947,514.68 × 1,139,289.84
  4. Step 4: Simplify right side
    1,298,893.44x = 2,218,783,688,174.85
  5. Step 5: Solve for x
    x = 2,218,783,688,174.85/1,298,893.44
  6. Step 6: Final answer
    x = 1,708,210.71

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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.