Home / 641,036.76-961,883.20-262,237.43

Finding the Fourth Proportional to 641,036.76, 961,883.20 and 262,237.43

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Solution

The fourth proportional to 641,036.76, 961,883.20 and 262,237.43 is: 393,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,036.76 : 961,883.20 = 262,237.43 : x
  2. Step 2: Convert to fraction form
    641,036.76/961,883.20 = 262,237.43/x
  3. Step 3: Cross multiply
    641,036.76x = 961,883.20 × 262,237.43
  4. Step 4: Simplify right side
    641,036.76x = 252,241,773,518.76
  5. Step 5: Solve for x
    x = 252,241,773,518.76/641,036.76
  6. Step 6: Final answer
    x = 393,490.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.