Home / 840,618.48-1,158,698.31-568,587.11

Finding the Fourth Proportional to 840,618.48, 1,158,698.31 and 568,587.11

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Solution

The fourth proportional to 840,618.48, 1,158,698.31 and 568,587.11 is: 783,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,618.48 : 1,158,698.31 = 568,587.11 : x
  2. Step 2: Convert to fraction form
    840,618.48/1,158,698.31 = 568,587.11/x
  3. Step 3: Cross multiply
    840,618.48x = 1,158,698.31 × 568,587.11
  4. Step 4: Simplify right side
    840,618.48x = 658,820,917,651.29
  5. Step 5: Solve for x
    x = 658,820,917,651.29/840,618.48
  6. Step 6: Final answer
    x = 783,733.56

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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.