Home / 1,294,632.14-1,786,526.96-721,561.59

Finding the Fourth Proportional to 1,294,632.14, 1,786,526.96 and 721,561.59

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Solution

The fourth proportional to 1,294,632.14, 1,786,526.96 and 721,561.59 is: 995,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,632.14 : 1,786,526.96 = 721,561.59 : x
  2. Step 2: Convert to fraction form
    1,294,632.14/1,786,526.96 = 721,561.59/x
  3. Step 3: Cross multiply
    1,294,632.14x = 1,786,526.96 × 721,561.59
  4. Step 4: Simplify right side
    1,294,632.14x = 1,289,089,230,227.66
  5. Step 5: Solve for x
    x = 1,289,089,230,227.66/1,294,632.14
  6. Step 6: Final answer
    x = 995,718.55

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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.