Home / 1,431,402.44-1,975,339.47-819,564.59

Finding the Fourth Proportional to 1,431,402.44, 1,975,339.47 and 819,564.59

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Solution

The fourth proportional to 1,431,402.44, 1,975,339.47 and 819,564.59 is: 1,131,001.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,402.44 : 1,975,339.47 = 819,564.59 : x
  2. Step 2: Convert to fraction form
    1,431,402.44/1,975,339.47 = 819,564.59/x
  3. Step 3: Cross multiply
    1,431,402.44x = 1,975,339.47 × 819,564.59
  4. Step 4: Simplify right side
    1,431,402.44x = 1,618,918,268,866.85
  5. Step 5: Solve for x
    x = 1,618,918,268,866.85/1,431,402.44
  6. Step 6: Final answer
    x = 1,131,001.48

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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.