Home / 957,345.69-1,321,573.61-681,880.89

Finding the Fourth Proportional to 957,345.69, 1,321,573.61 and 681,880.89

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Solution

The fourth proportional to 957,345.69, 1,321,573.61 and 681,880.89 is: 941,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,345.69 : 1,321,573.61 = 681,880.89 : x
  2. Step 2: Convert to fraction form
    957,345.69/1,321,573.61 = 681,880.89/x
  3. Step 3: Cross multiply
    957,345.69x = 1,321,573.61 × 681,880.89
  4. Step 4: Simplify right side
    957,345.69x = 901,155,789,387.31
  5. Step 5: Solve for x
    x = 901,155,789,387.31/957,345.69
  6. Step 6: Final answer
    x = 941,306.57

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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.