Home / 1,092,763.16-1,508,964.88-685,565

Finding the Fourth Proportional to 1,092,763.16, 1,508,964.88 and 685,565

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Solution

The fourth proportional to 1,092,763.16, 1,508,964.88 and 685,565 is: 946,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,763.16 : 1,508,964.88 = 685,565 : x
  2. Step 2: Convert to fraction form
    1,092,763.16/1,508,964.88 = 685,565/x
  3. Step 3: Cross multiply
    1,092,763.16x = 1,508,964.88 × 685,565
  4. Step 4: Simplify right side
    1,092,763.16x = 1,034,493,507,957.20
  5. Step 5: Solve for x
    x = 1,034,493,507,957.20/1,092,763.16
  6. Step 6: Final answer
    x = 946,676.78

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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.