Home / 898,187.21-1,239,487.41-511,001.65

Finding the Fourth Proportional to 898,187.21, 1,239,487.41 and 511,001.65

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Solution

The fourth proportional to 898,187.21, 1,239,487.41 and 511,001.65 is: 705,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,187.21 : 1,239,487.41 = 511,001.65 : x
  2. Step 2: Convert to fraction form
    898,187.21/1,239,487.41 = 511,001.65/x
  3. Step 3: Cross multiply
    898,187.21x = 1,239,487.41 × 511,001.65
  4. Step 4: Simplify right side
    898,187.21x = 633,380,108,157.73
  5. Step 5: Solve for x
    x = 633,380,108,157.73/898,187.21
  6. Step 6: Final answer
    x = 705,176.05

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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.