Home / 648,821.14-895,309.20-362,335.07

Finding the Fourth Proportional to 648,821.14, 895,309.20 and 362,335.07

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Solution

The fourth proportional to 648,821.14, 895,309.20 and 362,335.07 is: 499,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,821.14 : 895,309.20 = 362,335.07 : x
  2. Step 2: Convert to fraction form
    648,821.14/895,309.20 = 362,335.07/x
  3. Step 3: Cross multiply
    648,821.14x = 895,309.20 × 362,335.07
  4. Step 4: Simplify right side
    648,821.14x = 324,401,923,891.92
  5. Step 5: Solve for x
    x = 324,401,923,891.92/648,821.14
  6. Step 6: Final answer
    x = 499,986.68

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1.5x scale

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.