Home / 885,067.78-1,221,586.94-562,714.92

Finding the Fourth Proportional to 885,067.78, 1,221,586.94 and 562,714.92

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Solution

The fourth proportional to 885,067.78, 1,221,586.94 and 562,714.92 is: 776,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,067.78 : 1,221,586.94 = 562,714.92 : x
  2. Step 2: Convert to fraction form
    885,067.78/1,221,586.94 = 562,714.92/x
  3. Step 3: Cross multiply
    885,067.78x = 1,221,586.94 × 562,714.92
  4. Step 4: Simplify right side
    885,067.78x = 687,405,197,215.15
  5. Step 5: Solve for x
    x = 687,405,197,215.15/885,067.78
  6. Step 6: Final answer
    x = 776,669.55

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Double scale
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1.5x scale

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.