Home / 677,940.44-935,555.23-372,021.93

Finding the Fourth Proportional to 677,940.44, 935,555.23 and 372,021.93

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Solution

The fourth proportional to 677,940.44, 935,555.23 and 372,021.93 is: 513,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,940.44 : 935,555.23 = 372,021.93 : x
  2. Step 2: Convert to fraction form
    677,940.44/935,555.23 = 372,021.93/x
  3. Step 3: Cross multiply
    677,940.44x = 935,555.23 × 372,021.93
  4. Step 4: Simplify right side
    677,940.44x = 348,047,062,751.22
  5. Step 5: Solve for x
    x = 348,047,062,751.22/677,940.44
  6. Step 6: Final answer
    x = 513,388.85

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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.