Home / 836,336.54-1,154,072.71-463,811.42

Finding the Fourth Proportional to 836,336.54, 1,154,072.71 and 463,811.42

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Solution

The fourth proportional to 836,336.54, 1,154,072.71 and 463,811.42 is: 640,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,336.54 : 1,154,072.71 = 463,811.42 : x
  2. Step 2: Convert to fraction form
    836,336.54/1,154,072.71 = 463,811.42/x
  3. Step 3: Cross multiply
    836,336.54x = 1,154,072.71 × 463,811.42
  4. Step 4: Simplify right side
    836,336.54x = 535,272,102,408.35
  5. Step 5: Solve for x
    x = 535,272,102,408.35/836,336.54
  6. Step 6: Final answer
    x = 640,019.99

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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.