Home / 857,999.62-1,184,016.92-470,813.86

Finding the Fourth Proportional to 857,999.62, 1,184,016.92 and 470,813.86

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Solution

The fourth proportional to 857,999.62, 1,184,016.92 and 470,813.86 is: 649,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,999.62 : 1,184,016.92 = 470,813.86 : x
  2. Step 2: Convert to fraction form
    857,999.62/1,184,016.92 = 470,813.86/x
  3. Step 3: Cross multiply
    857,999.62x = 1,184,016.92 × 470,813.86
  4. Step 4: Simplify right side
    857,999.62x = 557,451,576,410.51
  5. Step 5: Solve for x
    x = 557,451,576,410.51/857,999.62
  6. Step 6: Final answer
    x = 649,710.75

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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.