Home / 1,302,771.30-1,963,031.56-1,071,299.22

Finding the Fourth Proportional to 1,302,771.30, 1,963,031.56 and 1,071,299.22

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Solution

The fourth proportional to 1,302,771.30, 1,963,031.56 and 1,071,299.22 is: 1,614,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,771.30 : 1,963,031.56 = 1,071,299.22 : x
  2. Step 2: Convert to fraction form
    1,302,771.30/1,963,031.56 = 1,071,299.22/x
  3. Step 3: Cross multiply
    1,302,771.30x = 1,963,031.56 × 1,071,299.22
  4. Step 4: Simplify right side
    1,302,771.30x = 2,102,994,179,063.38
  5. Step 5: Solve for x
    x = 2,102,994,179,063.38/1,302,771.30
  6. Step 6: Final answer
    x = 1,614,246.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.