Home / 857,759.20-1,183,849.64-475,909

Finding the Fourth Proportional to 857,759.20, 1,183,849.64 and 475,909

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Solution

The fourth proportional to 857,759.20, 1,183,849.64 and 475,909 is: 656,833.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,759.20 : 1,183,849.64 = 475,909 : x
  2. Step 2: Convert to fraction form
    857,759.20/1,183,849.64 = 475,909/x
  3. Step 3: Cross multiply
    857,759.20x = 1,183,849.64 × 475,909
  4. Step 4: Simplify right side
    857,759.20x = 563,404,698,322.76
  5. Step 5: Solve for x
    x = 563,404,698,322.76/857,759.20
  6. Step 6: Final answer
    x = 656,833.17

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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.