Home / 821,609.37-1,133,821.41-459,033.23

Finding the Fourth Proportional to 821,609.37, 1,133,821.41 and 459,033.23

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Solution

The fourth proportional to 821,609.37, 1,133,821.41 and 459,033.23 is: 633,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,609.37 : 1,133,821.41 = 459,033.23 : x
  2. Step 2: Convert to fraction form
    821,609.37/1,133,821.41 = 459,033.23/x
  3. Step 3: Cross multiply
    821,609.37x = 1,133,821.41 × 459,033.23
  4. Step 4: Simplify right side
    821,609.37x = 520,461,698,406.35
  5. Step 5: Solve for x
    x = 520,461,698,406.35/821,609.37
  6. Step 6: Final answer
    x = 633,466.12

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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.