Home / 446,654.94-670,022.10-126,811.46

Finding the Fourth Proportional to 446,654.94, 670,022.10 and 126,811.46

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Solution

The fourth proportional to 446,654.94, 670,022.10 and 126,811.46 is: 190,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,654.94 : 670,022.10 = 126,811.46 : x
  2. Step 2: Convert to fraction form
    446,654.94/670,022.10 = 126,811.46/x
  3. Step 3: Cross multiply
    446,654.94x = 670,022.10 × 126,811.46
  4. Step 4: Simplify right side
    446,654.94x = 84,966,477,383.16
  5. Step 5: Solve for x
    x = 84,966,477,383.16/446,654.94
  6. Step 6: Final answer
    x = 190,228.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.