Home / 1,048,383.20-1,570,269.72-866,406.19

Finding the Fourth Proportional to 1,048,383.20, 1,570,269.72 and 866,406.19

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Solution

The fourth proportional to 1,048,383.20, 1,570,269.72 and 866,406.19 is: 1,297,704.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,383.20 : 1,570,269.72 = 866,406.19 : x
  2. Step 2: Convert to fraction form
    1,048,383.20/1,570,269.72 = 866,406.19/x
  3. Step 3: Cross multiply
    1,048,383.20x = 1,570,269.72 × 866,406.19
  4. Step 4: Simplify right side
    1,048,383.20x = 1,360,491,405,377.57
  5. Step 5: Solve for x
    x = 1,360,491,405,377.57/1,048,383.20
  6. Step 6: Final answer
    x = 1,297,704.32

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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.