Home / 5,265,678.40-7,898,517.60-4,415,372.80

Finding the Fourth Proportional to 5,265,678.40, 7,898,517.60 and 4,415,372.80

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Solution

The fourth proportional to 5,265,678.40, 7,898,517.60 and 4,415,372.80 is: 6,623,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,678.40 : 7,898,517.60 = 4,415,372.80 : x
  2. Step 2: Convert to fraction form
    5,265,678.40/7,898,517.60 = 4,415,372.80/x
  3. Step 3: Cross multiply
    5,265,678.40x = 7,898,517.60 × 4,415,372.80
  4. Step 4: Simplify right side
    5,265,678.40x = 34,874,899,771,361.28
  5. Step 5: Solve for x
    x = 34,874,899,771,361.28/5,265,678.40
  6. Step 6: Final answer
    x = 6,623,059.20

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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.