Home / 961,032.96-1,326,166.56-531,287.28

Finding the Fourth Proportional to 961,032.96, 1,326,166.56 and 531,287.28

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Solution

The fourth proportional to 961,032.96, 1,326,166.56 and 531,287.28 is: 733,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,032.96 : 1,326,166.56 = 531,287.28 : x
  2. Step 2: Convert to fraction form
    961,032.96/1,326,166.56 = 531,287.28/x
  3. Step 3: Cross multiply
    961,032.96x = 1,326,166.56 × 531,287.28
  4. Step 4: Simplify right side
    961,032.96x = 704,575,424,489.36
  5. Step 5: Solve for x
    x = 704,575,424,489.36/961,032.96
  6. Step 6: Final answer
    x = 733,143.87

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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.