Home / 857,893.53-1,183,889.45-475,920.32

Finding the Fourth Proportional to 857,893.53, 1,183,889.45 and 475,920.32

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Solution

The fourth proportional to 857,893.53, 1,183,889.45 and 475,920.32 is: 656,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,893.53 : 1,183,889.45 = 475,920.32 : x
  2. Step 2: Convert to fraction form
    857,893.53/1,183,889.45 = 475,920.32/x
  3. Step 3: Cross multiply
    857,893.53x = 1,183,889.45 × 475,920.32
  4. Step 4: Simplify right side
    857,893.53x = 563,437,037,589.58
  5. Step 5: Solve for x
    x = 563,437,037,589.58/857,893.53
  6. Step 6: Final answer
    x = 656,768.02

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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.