Home / 941,381.70-1,299,114.63-511,661.72

Finding the Fourth Proportional to 941,381.70, 1,299,114.63 and 511,661.72

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Solution

The fourth proportional to 941,381.70, 1,299,114.63 and 511,661.72 is: 706,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,381.70 : 1,299,114.63 = 511,661.72 : x
  2. Step 2: Convert to fraction form
    941,381.70/1,299,114.63 = 511,661.72/x
  3. Step 3: Cross multiply
    941,381.70x = 1,299,114.63 × 511,661.72
  4. Step 4: Simplify right side
    941,381.70x = 664,707,219,567.39
  5. Step 5: Solve for x
    x = 664,707,219,567.39/941,381.70
  6. Step 6: Final answer
    x = 706,097.45

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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.