Home / 483,247.09-666,899.76-268,403.50

Finding the Fourth Proportional to 483,247.09, 666,899.76 and 268,403.50

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Solution

The fourth proportional to 483,247.09, 666,899.76 and 268,403.50 is: 370,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,247.09 : 666,899.76 = 268,403.50 : x
  2. Step 2: Convert to fraction form
    483,247.09/666,899.76 = 268,403.50/x
  3. Step 3: Cross multiply
    483,247.09x = 666,899.76 × 268,403.50
  4. Step 4: Simplify right side
    483,247.09x = 178,998,229,733.16
  5. Step 5: Solve for x
    x = 178,998,229,733.16/483,247.09
  6. Step 6: Final answer
    x = 370,407.26

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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.