Home / 1,197,866.79-1,653,012.77-653,992.56

Finding the Fourth Proportional to 1,197,866.79, 1,653,012.77 and 653,992.56

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Solution

The fourth proportional to 1,197,866.79, 1,653,012.77 and 653,992.56 is: 902,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,866.79 : 1,653,012.77 = 653,992.56 : x
  2. Step 2: Convert to fraction form
    1,197,866.79/1,653,012.77 = 653,992.56/x
  3. Step 3: Cross multiply
    1,197,866.79x = 1,653,012.77 × 653,992.56
  4. Step 4: Simplify right side
    1,197,866.79x = 1,081,058,049,895.03
  5. Step 5: Solve for x
    x = 1,081,058,049,895.03/1,197,866.79
  6. Step 6: Final answer
    x = 902,486.04

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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.