Home / 606,133.36-836,121.54-379,385.20

Finding the Fourth Proportional to 606,133.36, 836,121.54 and 379,385.20

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Solution

The fourth proportional to 606,133.36, 836,121.54 and 379,385.20 is: 523,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,133.36 : 836,121.54 = 379,385.20 : x
  2. Step 2: Convert to fraction form
    606,133.36/836,121.54 = 379,385.20/x
  3. Step 3: Cross multiply
    606,133.36x = 836,121.54 × 379,385.20
  4. Step 4: Simplify right side
    606,133.36x = 317,212,137,677.21
  5. Step 5: Solve for x
    x = 317,212,137,677.21/606,133.36
  6. Step 6: Final answer
    x = 523,337.20

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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.