Home / 1,176,127.72-1,623,091.94-666,851.56

Finding the Fourth Proportional to 1,176,127.72, 1,623,091.94 and 666,851.56

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Solution

The fourth proportional to 1,176,127.72, 1,623,091.94 and 666,851.56 is: 920,275.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,127.72 : 1,623,091.94 = 666,851.56 : x
  2. Step 2: Convert to fraction form
    1,176,127.72/1,623,091.94 = 666,851.56/x
  3. Step 3: Cross multiply
    1,176,127.72x = 1,623,091.94 × 666,851.56
  4. Step 4: Simplify right side
    1,176,127.72x = 1,082,361,392,212.43
  5. Step 5: Solve for x
    x = 1,082,361,392,212.43/1,176,127.72
  6. Step 6: Final answer
    x = 920,275.39

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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.