Home / 446,807.15-670,211.07-126,917.74

Finding the Fourth Proportional to 446,807.15, 670,211.07 and 126,917.74

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Solution

The fourth proportional to 446,807.15, 670,211.07 and 126,917.74 is: 190,376.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,807.15 : 670,211.07 = 126,917.74 : x
  2. Step 2: Convert to fraction form
    446,807.15/670,211.07 = 126,917.74/x
  3. Step 3: Cross multiply
    446,807.15x = 670,211.07 × 126,917.74
  4. Step 4: Simplify right side
    446,807.15x = 85,061,674,327.38
  5. Step 5: Solve for x
    x = 85,061,674,327.38/446,807.15
  6. Step 6: Final answer
    x = 190,376.71

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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.