Home / 1,769,280-2,440,765.44-1,196,520.96

Finding the Fourth Proportional to 1,769,280, 2,440,765.44 and 1,196,520.96

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Solution

The fourth proportional to 1,769,280, 2,440,765.44 and 1,196,520.96 is: 1,650,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,280 : 2,440,765.44 = 1,196,520.96 : x
  2. Step 2: Convert to fraction form
    1,769,280/2,440,765.44 = 1,196,520.96/x
  3. Step 3: Cross multiply
    1,769,280x = 2,440,765.44 × 1,196,520.96
  4. Step 4: Simplify right side
    1,769,280x = 2,920,427,007,403.62
  5. Step 5: Solve for x
    x = 2,920,427,007,403.62/1,769,280
  6. Step 6: Final answer
    x = 1,650,630.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.