Home / 1,100,664.48-1,518,932.51-665,021.22

Finding the Fourth Proportional to 1,100,664.48, 1,518,932.51 and 665,021.22

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Solution

The fourth proportional to 1,100,664.48, 1,518,932.51 and 665,021.22 is: 917,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,664.48 : 1,518,932.51 = 665,021.22 : x
  2. Step 2: Convert to fraction form
    1,100,664.48/1,518,932.51 = 665,021.22/x
  3. Step 3: Cross multiply
    1,100,664.48x = 1,518,932.51 × 665,021.22
  4. Step 4: Simplify right side
    1,100,664.48x = 1,010,122,347,572.76
  5. Step 5: Solve for x
    x = 1,010,122,347,572.76/1,100,664.48
  6. Step 6: Final answer
    x = 917,738.66

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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.