Home / 683,000.07-942,540.35-377,076.71

Finding the Fourth Proportional to 683,000.07, 942,540.35 and 377,076.71

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Solution

The fourth proportional to 683,000.07, 942,540.35 and 377,076.71 is: 520,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,000.07 : 942,540.35 = 377,076.71 : x
  2. Step 2: Convert to fraction form
    683,000.07/942,540.35 = 377,076.71/x
  3. Step 3: Cross multiply
    683,000.07x = 942,540.35 × 377,076.71
  4. Step 4: Simplify right side
    683,000.07x = 355,410,007,622.16
  5. Step 5: Solve for x
    x = 355,410,007,622.16/683,000.07
  6. Step 6: Final answer
    x = 520,365.99

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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.