Home / 957,968.34-1,321,986.63-522,384.61

Finding the Fourth Proportional to 957,968.34, 1,321,986.63 and 522,384.61

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Solution

The fourth proportional to 957,968.34, 1,321,986.63 and 522,384.61 is: 720,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,968.34 : 1,321,986.63 = 522,384.61 : x
  2. Step 2: Convert to fraction form
    957,968.34/1,321,986.63 = 522,384.61/x
  3. Step 3: Cross multiply
    957,968.34x = 1,321,986.63 × 522,384.61
  4. Step 4: Simplify right side
    957,968.34x = 690,585,470,137.76
  5. Step 5: Solve for x
    x = 690,585,470,137.76/957,968.34
  6. Step 6: Final answer
    x = 720,885.48

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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.