Home / 836,460.75-1,254,718.41-398,185.39

Finding the Fourth Proportional to 836,460.75, 1,254,718.41 and 398,185.39

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Solution

The fourth proportional to 836,460.75, 1,254,718.41 and 398,185.39 is: 597,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,460.75 : 1,254,718.41 = 398,185.39 : x
  2. Step 2: Convert to fraction form
    836,460.75/1,254,718.41 = 398,185.39/x
  3. Step 3: Cross multiply
    836,460.75x = 1,254,718.41 × 398,185.39
  4. Step 4: Simplify right side
    836,460.75x = 499,610,536,289.23
  5. Step 5: Solve for x
    x = 499,610,536,289.23/836,460.75
  6. Step 6: Final answer
    x = 597,291.07

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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.