Home / 857,790.86-1,183,893.30-475,940.66

Finding the Fourth Proportional to 857,790.86, 1,183,893.30 and 475,940.66

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Solution

The fourth proportional to 857,790.86, 1,183,893.30 and 475,940.66 is: 656,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,790.86 : 1,183,893.30 = 475,940.66 : x
  2. Step 2: Convert to fraction form
    857,790.86/1,183,893.30 = 475,940.66/x
  3. Step 3: Cross multiply
    857,790.86x = 1,183,893.30 × 475,940.66
  4. Step 4: Simplify right side
    857,790.86x = 563,462,952,652.11
  5. Step 5: Solve for x
    x = 563,462,952,652.11/857,790.86
  6. Step 6: Final answer
    x = 656,876.85

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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.