Home / 853,114.96-1,277,955.64-404,268.67

Finding the Fourth Proportional to 853,114.96, 1,277,955.64 and 404,268.67

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Solution

The fourth proportional to 853,114.96, 1,277,955.64 and 404,268.67 is: 605,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,114.96 : 1,277,955.64 = 404,268.67 : x
  2. Step 2: Convert to fraction form
    853,114.96/1,277,955.64 = 404,268.67/x
  3. Step 3: Cross multiply
    853,114.96x = 1,277,955.64 × 404,268.67
  4. Step 4: Simplify right side
    853,114.96x = 516,637,426,901.80
  5. Step 5: Solve for x
    x = 516,637,426,901.80/853,114.96
  6. Step 6: Final answer
    x = 605,589.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.