Home / 677,941.28-935,556.40-372,022.77

Finding the Fourth Proportional to 677,941.28, 935,556.40 and 372,022.77

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Solution

The fourth proportional to 677,941.28, 935,556.40 and 372,022.77 is: 513,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,941.28 : 935,556.40 = 372,022.77 : x
  2. Step 2: Convert to fraction form
    677,941.28/935,556.40 = 372,022.77/x
  3. Step 3: Cross multiply
    677,941.28x = 935,556.40 × 372,022.77
  4. Step 4: Simplify right side
    677,941.28x = 348,048,285,299.97
  5. Step 5: Solve for x
    x = 348,048,285,299.97/677,941.28
  6. Step 6: Final answer
    x = 513,390.02

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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.