Home / 446,827.60-670,241.40-269,243.20

Finding the Fourth Proportional to 446,827.60, 670,241.40 and 269,243.20

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Solution

The fourth proportional to 446,827.60, 670,241.40 and 269,243.20 is: 403,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,827.60 : 670,241.40 = 269,243.20 : x
  2. Step 2: Convert to fraction form
    446,827.60/670,241.40 = 269,243.20/x
  3. Step 3: Cross multiply
    446,827.60x = 670,241.40 × 269,243.20
  4. Step 4: Simplify right side
    446,827.60x = 180,457,939,308.48
  5. Step 5: Solve for x
    x = 180,457,939,308.48/446,827.60
  6. Step 6: Final answer
    x = 403,864.80

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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.