Home / 857,999.19-1,184,016.31-470,813.42

Finding the Fourth Proportional to 857,999.19, 1,184,016.31 and 470,813.42

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Solution

The fourth proportional to 857,999.19, 1,184,016.31 and 470,813.42 is: 649,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,999.19 : 1,184,016.31 = 470,813.42 : x
  2. Step 2: Convert to fraction form
    857,999.19/1,184,016.31 = 470,813.42/x
  3. Step 3: Cross multiply
    857,999.19x = 1,184,016.31 × 470,813.42
  4. Step 4: Simplify right side
    857,999.19x = 557,450,768,246.88
  5. Step 5: Solve for x
    x = 557,450,768,246.88/857,999.19
  6. Step 6: Final answer
    x = 649,710.13

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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.