Home / 1,201,607.75-1,802,407.07-491,635.56

Finding the Fourth Proportional to 1,201,607.75, 1,802,407.07 and 491,635.56

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Solution

The fourth proportional to 1,201,607.75, 1,802,407.07 and 491,635.56 is: 737,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,607.75 : 1,802,407.07 = 491,635.56 : x
  2. Step 2: Convert to fraction form
    1,201,607.75/1,802,407.07 = 491,635.56/x
  3. Step 3: Cross multiply
    1,201,607.75x = 1,802,407.07 × 491,635.56
  4. Step 4: Simplify right side
    1,201,607.75x = 886,127,406,749.23
  5. Step 5: Solve for x
    x = 886,127,406,749.23/1,201,607.75
  6. Step 6: Final answer
    x = 737,451.48

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1.5x scale

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.