Home / 460,976.96-636,101.55-257,008.56

Finding the Fourth Proportional to 460,976.96, 636,101.55 and 257,008.56

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Solution

The fourth proportional to 460,976.96, 636,101.55 and 257,008.56 is: 354,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,976.96 : 636,101.55 = 257,008.56 : x
  2. Step 2: Convert to fraction form
    460,976.96/636,101.55 = 257,008.56/x
  3. Step 3: Cross multiply
    460,976.96x = 636,101.55 × 257,008.56
  4. Step 4: Simplify right side
    460,976.96x = 163,483,543,379.27
  5. Step 5: Solve for x
    x = 163,483,543,379.27/460,976.96
  6. Step 6: Final answer
    x = 354,645.80

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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.