Home / 1,111,600.35-1,666,113.62-511,301.66

Finding the Fourth Proportional to 1,111,600.35, 1,666,113.62 and 511,301.66

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Solution

The fourth proportional to 1,111,600.35, 1,666,113.62 and 511,301.66 is: 766,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,600.35 : 1,666,113.62 = 511,301.66 : x
  2. Step 2: Convert to fraction form
    1,111,600.35/1,666,113.62 = 511,301.66/x
  3. Step 3: Cross multiply
    1,111,600.35x = 1,666,113.62 × 511,301.66
  4. Step 4: Simplify right side
    1,111,600.35x = 851,886,648,767.53
  5. Step 5: Solve for x
    x = 851,886,648,767.53/1,111,600.35
  6. Step 6: Final answer
    x = 766,360.54

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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.