Home / 1,538,777.75-2,123,514.20-859,714.25

Finding the Fourth Proportional to 1,538,777.75, 2,123,514.20 and 859,714.25

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Solution

The fourth proportional to 1,538,777.75, 2,123,514.20 and 859,714.25 is: 1,186,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,777.75 : 2,123,514.20 = 859,714.25 : x
  2. Step 2: Convert to fraction form
    1,538,777.75/2,123,514.20 = 859,714.25/x
  3. Step 3: Cross multiply
    1,538,777.75x = 2,123,514.20 × 859,714.25
  4. Step 4: Simplify right side
    1,538,777.75x = 1,825,615,413,518.78
  5. Step 5: Solve for x
    x = 1,825,615,413,518.78/1,538,777.75
  6. Step 6: Final answer
    x = 1,186,406.17

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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.