Home / 1,384,879.54-1,911,128.61-773,026.96

Finding the Fourth Proportional to 1,384,879.54, 1,911,128.61 and 773,026.96

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Solution

The fourth proportional to 1,384,879.54, 1,911,128.61 and 773,026.96 is: 1,066,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,879.54 : 1,911,128.61 = 773,026.96 : x
  2. Step 2: Convert to fraction form
    1,384,879.54/1,911,128.61 = 773,026.96/x
  3. Step 3: Cross multiply
    1,384,879.54x = 1,911,128.61 × 773,026.96
  4. Step 4: Simplify right side
    1,384,879.54x = 1,477,353,939,557.33
  5. Step 5: Solve for x
    x = 1,477,353,939,557.33/1,384,879.54
  6. Step 6: Final answer
    x = 1,066,774.33

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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.