Home / 451,274.08-622,399.48-383,515.32

Finding the Fourth Proportional to 451,274.08, 622,399.48 and 383,515.32

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Solution

The fourth proportional to 451,274.08, 622,399.48 and 383,515.32 is: 528,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,274.08 : 622,399.48 = 383,515.32 : x
  2. Step 2: Convert to fraction form
    451,274.08/622,399.48 = 383,515.32/x
  3. Step 3: Cross multiply
    451,274.08x = 622,399.48 × 383,515.32
  4. Step 4: Simplify right side
    451,274.08x = 238,699,735,740.03
  5. Step 5: Solve for x
    x = 238,699,735,740.03/451,274.08
  6. Step 6: Final answer
    x = 528,946.26

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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.