Home / 857,936.05-1,183,912.11-470,741.83

Finding the Fourth Proportional to 857,936.05, 1,183,912.11 and 470,741.83

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Solution

The fourth proportional to 857,936.05, 1,183,912.11 and 470,741.83 is: 649,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,936.05 : 1,183,912.11 = 470,741.83 : x
  2. Step 2: Convert to fraction form
    857,936.05/1,183,912.11 = 470,741.83/x
  3. Step 3: Cross multiply
    857,936.05x = 1,183,912.11 × 470,741.83
  4. Step 4: Simplify right side
    857,936.05x = 557,316,953,220.56
  5. Step 5: Solve for x
    x = 557,316,953,220.56/857,936.05
  6. Step 6: Final answer
    x = 649,601.98

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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.