Home / 857,777.86-1,183,772.10-475,804.54

Finding the Fourth Proportional to 857,777.86, 1,183,772.10 and 475,804.54

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Solution

The fourth proportional to 857,777.86, 1,183,772.10 and 475,804.54 is: 656,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,777.86 : 1,183,772.10 = 475,804.54 : x
  2. Step 2: Convert to fraction form
    857,777.86/1,183,772.10 = 475,804.54/x
  3. Step 3: Cross multiply
    857,777.86x = 1,183,772.10 × 475,804.54
  4. Step 4: Simplify right side
    857,777.86x = 563,244,139,505.33
  5. Step 5: Solve for x
    x = 563,244,139,505.33/857,777.86
  6. Step 6: Final answer
    x = 656,631.71

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1.5x scale

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.