Home / 814,520.08-1,120,051.79-706,903.28

Finding the Fourth Proportional to 814,520.08, 1,120,051.79 and 706,903.28

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Solution

The fourth proportional to 814,520.08, 1,120,051.79 and 706,903.28 is: 972,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,520.08 : 1,120,051.79 = 706,903.28 : x
  2. Step 2: Convert to fraction form
    814,520.08/1,120,051.79 = 706,903.28/x
  3. Step 3: Cross multiply
    814,520.08x = 1,120,051.79 × 706,903.28
  4. Step 4: Simplify right side
    814,520.08x = 791,768,280,586.36
  5. Step 5: Solve for x
    x = 791,768,280,586.36/814,520.08
  6. Step 6: Final answer
    x = 972,067.23

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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.