Home / 1,401,891.56-1,935,256.20-821,033.96

Finding the Fourth Proportional to 1,401,891.56, 1,935,256.20 and 821,033.96

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Solution

The fourth proportional to 1,401,891.56, 1,935,256.20 and 821,033.96 is: 1,133,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,891.56 : 1,935,256.20 = 821,033.96 : x
  2. Step 2: Convert to fraction form
    1,401,891.56/1,935,256.20 = 821,033.96/x
  3. Step 3: Cross multiply
    1,401,891.56x = 1,935,256.20 × 821,033.96
  4. Step 4: Simplify right side
    1,401,891.56x = 1,588,911,061,500.55
  5. Step 5: Solve for x
    x = 1,588,911,061,500.55/1,401,891.56
  6. Step 6: Final answer
    x = 1,133,405.11

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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.