Home / 1,072,821.40-1,609,232.10-324,867.40

Finding the Fourth Proportional to 1,072,821.40, 1,609,232.10 and 324,867.40

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Solution

The fourth proportional to 1,072,821.40, 1,609,232.10 and 324,867.40 is: 487,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,821.40 : 1,609,232.10 = 324,867.40 : x
  2. Step 2: Convert to fraction form
    1,072,821.40/1,609,232.10 = 324,867.40/x
  3. Step 3: Cross multiply
    1,072,821.40x = 1,609,232.10 × 324,867.40
  4. Step 4: Simplify right side
    1,072,821.40x = 522,787,048,323.54
  5. Step 5: Solve for x
    x = 522,787,048,323.54/1,072,821.40
  6. Step 6: Final answer
    x = 487,301.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.