Home / 1,401,889.56-1,935,253.44-821,031.96

Finding the Fourth Proportional to 1,401,889.56, 1,935,253.44 and 821,031.96

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Solution

The fourth proportional to 1,401,889.56, 1,935,253.44 and 821,031.96 is: 1,133,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,889.56 : 1,935,253.44 = 821,031.96 : x
  2. Step 2: Convert to fraction form
    1,401,889.56/1,935,253.44 = 821,031.96/x
  3. Step 3: Cross multiply
    1,401,889.56x = 1,935,253.44 × 821,031.96
  4. Step 4: Simplify right side
    1,401,889.56x = 1,588,904,924,939.94
  5. Step 5: Solve for x
    x = 1,588,904,924,939.94/1,401,889.56
  6. Step 6: Final answer
    x = 1,133,402.35

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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.