Home / 446,595.81-669,928.82-126,742.61

Finding the Fourth Proportional to 446,595.81, 669,928.82 and 126,742.61

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Solution

The fourth proportional to 446,595.81, 669,928.82 and 126,742.61 is: 190,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,595.81 : 669,928.82 = 126,742.61 : x
  2. Step 2: Convert to fraction form
    446,595.81/669,928.82 = 126,742.61/x
  3. Step 3: Cross multiply
    446,595.81x = 669,928.82 × 126,742.61
  4. Step 4: Simplify right side
    446,595.81x = 84,908,523,177.66
  5. Step 5: Solve for x
    x = 84,908,523,177.66/446,595.81
  6. Step 6: Final answer
    x = 190,123.87

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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.