Home / 941,309.40-1,299,015.18-511,589.88

Finding the Fourth Proportional to 941,309.40, 1,299,015.18 and 511,589.88

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Solution

The fourth proportional to 941,309.40, 1,299,015.18 and 511,589.88 is: 705,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,309.40 : 1,299,015.18 = 511,589.88 : x
  2. Step 2: Convert to fraction form
    941,309.40/1,299,015.18 = 511,589.88/x
  3. Step 3: Cross multiply
    941,309.40x = 1,299,015.18 × 511,589.88
  4. Step 4: Simplify right side
    941,309.40x = 664,563,020,054.38
  5. Step 5: Solve for x
    x = 664,563,020,054.38/941,309.40
  6. Step 6: Final answer
    x = 705,998.50

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1.5x scale

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.