Home / 1,129,653.99-1,558,932.62-620,360.01

Finding the Fourth Proportional to 1,129,653.99, 1,558,932.62 and 620,360.01

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Solution

The fourth proportional to 1,129,653.99, 1,558,932.62 and 620,360.01 is: 856,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,653.99 : 1,558,932.62 = 620,360.01 : x
  2. Step 2: Convert to fraction form
    1,129,653.99/1,558,932.62 = 620,360.01/x
  3. Step 3: Cross multiply
    1,129,653.99x = 1,558,932.62 × 620,360.01
  4. Step 4: Simplify right side
    1,129,653.99x = 967,099,452,630.73
  5. Step 5: Solve for x
    x = 967,099,452,630.73/1,129,653.99
  6. Step 6: Final answer
    x = 856,102.37

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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.