Home / 1,309,433.85-1,964,630.55-551,466.12

Finding the Fourth Proportional to 1,309,433.85, 1,964,630.55 and 551,466.12

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Solution

The fourth proportional to 1,309,433.85, 1,964,630.55 and 551,466.12 is: 827,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,433.85 : 1,964,630.55 = 551,466.12 : x
  2. Step 2: Convert to fraction form
    1,309,433.85/1,964,630.55 = 551,466.12/x
  3. Step 3: Cross multiply
    1,309,433.85x = 1,964,630.55 × 551,466.12
  4. Step 4: Simplify right side
    1,309,433.85x = 1,083,427,186,641.97
  5. Step 5: Solve for x
    x = 1,083,427,186,641.97/1,309,433.85
  6. Step 6: Final answer
    x = 827,401.24

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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.