Home / 882,143.98-1,216,909.85-576,399.09

Finding the Fourth Proportional to 882,143.98, 1,216,909.85 and 576,399.09

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Solution

The fourth proportional to 882,143.98, 1,216,909.85 and 576,399.09 is: 795,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,143.98 : 1,216,909.85 = 576,399.09 : x
  2. Step 2: Convert to fraction form
    882,143.98/1,216,909.85 = 576,399.09/x
  3. Step 3: Cross multiply
    882,143.98x = 1,216,909.85 × 576,399.09
  4. Step 4: Simplify right side
    882,143.98x = 701,425,731,833.45
  5. Step 5: Solve for x
    x = 701,425,731,833.45/882,143.98
  6. Step 6: Final answer
    x = 795,137.47

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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.