Home / 957,638.65-1,321,532.67-527,918.79

Finding the Fourth Proportional to 957,638.65, 1,321,532.67 and 527,918.79

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Solution

The fourth proportional to 957,638.65, 1,321,532.67 and 527,918.79 is: 728,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,638.65 : 1,321,532.67 = 527,918.79 : x
  2. Step 2: Convert to fraction form
    957,638.65/1,321,532.67 = 527,918.79/x
  3. Step 3: Cross multiply
    957,638.65x = 1,321,532.67 × 527,918.79
  4. Step 4: Simplify right side
    957,638.65x = 697,661,928,091.87
  5. Step 5: Solve for x
    x = 697,661,928,091.87/957,638.65
  6. Step 6: Final answer
    x = 728,523.15

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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.