Home / 941,436.10-1,299,189.66-511,716.16

Finding the Fourth Proportional to 941,436.10, 1,299,189.66 and 511,716.16

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Solution

The fourth proportional to 941,436.10, 1,299,189.66 and 511,716.16 is: 706,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,436.10 : 1,299,189.66 = 511,716.16 : x
  2. Step 2: Convert to fraction form
    941,436.10/1,299,189.66 = 511,716.16/x
  3. Step 3: Cross multiply
    941,436.10x = 1,299,189.66 × 511,716.16
  4. Step 4: Simplify right side
    941,436.10x = 664,816,343,926.91
  5. Step 5: Solve for x
    x = 664,816,343,926.91/941,436.10
  6. Step 6: Final answer
    x = 706,172.56

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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.