Home / 1,139,053.44-1,571,874.48-812,966.88

Finding the Fourth Proportional to 1,139,053.44, 1,571,874.48 and 812,966.88

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Solution

The fourth proportional to 1,139,053.44, 1,571,874.48 and 812,966.88 is: 1,121,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,053.44 : 1,571,874.48 = 812,966.88 : x
  2. Step 2: Convert to fraction form
    1,139,053.44/1,571,874.48 = 812,966.88/x
  3. Step 3: Cross multiply
    1,139,053.44x = 1,571,874.48 × 812,966.88
  4. Step 4: Simplify right side
    1,139,053.44x = 1,277,881,891,757.22
  5. Step 5: Solve for x
    x = 1,277,881,891,757.22/1,139,053.44
  6. Step 6: Final answer
    x = 1,121,880.54

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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.