Home / 649,394.88-896,163.20-362,914.72

Finding the Fourth Proportional to 649,394.88, 896,163.20 and 362,914.72

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Solution

The fourth proportional to 649,394.88, 896,163.20 and 362,914.72 is: 500,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,394.88 : 896,163.20 = 362,914.72 : x
  2. Step 2: Convert to fraction form
    649,394.88/896,163.20 = 362,914.72/x
  3. Step 3: Cross multiply
    649,394.88x = 896,163.20 × 362,914.72
  4. Step 4: Simplify right side
    649,394.88x = 325,230,816,802.30
  5. Step 5: Solve for x
    x = 325,230,816,802.30/649,394.88
  6. Step 6: Final answer
    x = 500,821.34

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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.