Home / 1,191,076.42-1,643,682.36-647,212.27

Finding the Fourth Proportional to 1,191,076.42, 1,643,682.36 and 647,212.27

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Solution

The fourth proportional to 1,191,076.42, 1,643,682.36 and 647,212.27 is: 893,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,076.42 : 1,643,682.36 = 647,212.27 : x
  2. Step 2: Convert to fraction form
    1,191,076.42/1,643,682.36 = 647,212.27/x
  3. Step 3: Cross multiply
    1,191,076.42x = 1,643,682.36 × 647,212.27
  4. Step 4: Simplify right side
    1,191,076.42x = 1,063,811,391,374.56
  5. Step 5: Solve for x
    x = 1,063,811,391,374.56/1,191,076.42
  6. Step 6: Final answer
    x = 893,151.25

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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.