Home / 1,085,523.36-1,628,265.60-445,688.16

Finding the Fourth Proportional to 1,085,523.36, 1,628,265.60 and 445,688.16

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Solution

The fourth proportional to 1,085,523.36, 1,628,265.60 and 445,688.16 is: 668,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,523.36 : 1,628,265.60 = 445,688.16 : x
  2. Step 2: Convert to fraction form
    1,085,523.36/1,628,265.60 = 445,688.16/x
  3. Step 3: Cross multiply
    1,085,523.36x = 1,628,265.60 × 445,688.16
  4. Step 4: Simplify right side
    1,085,523.36x = 725,698,699,255.30
  5. Step 5: Solve for x
    x = 725,698,699,255.30/1,085,523.36
  6. Step 6: Final answer
    x = 668,524.26

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1.5x scale

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.