Home / 961,433.97-1,326,956.37-617,699.59

Finding the Fourth Proportional to 961,433.97, 1,326,956.37 and 617,699.59

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Solution

The fourth proportional to 961,433.97, 1,326,956.37 and 617,699.59 is: 852,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,433.97 : 1,326,956.37 = 617,699.59 : x
  2. Step 2: Convert to fraction form
    961,433.97/1,326,956.37 = 617,699.59/x
  3. Step 3: Cross multiply
    961,433.97x = 1,326,956.37 × 617,699.59
  4. Step 4: Simplify right side
    961,433.97x = 819,660,405,696.89
  5. Step 5: Solve for x
    x = 819,660,405,696.89/961,433.97
  6. Step 6: Final answer
    x = 852,539.47

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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.