Home / 919,618.88-1,269,073.92-511,746.96

Finding the Fourth Proportional to 919,618.88, 1,269,073.92 and 511,746.96

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Solution

The fourth proportional to 919,618.88, 1,269,073.92 and 511,746.96 is: 706,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,618.88 : 1,269,073.92 = 511,746.96 : x
  2. Step 2: Convert to fraction form
    919,618.88/1,269,073.92 = 511,746.96/x
  3. Step 3: Cross multiply
    919,618.88x = 1,269,073.92 × 511,746.96
  4. Step 4: Simplify right side
    919,618.88x = 649,444,720,575.28
  5. Step 5: Solve for x
    x = 649,444,720,575.28/919,618.88
  6. Step 6: Final answer
    x = 706,210.73

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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.