Home / 857,976.48-1,184,063.52-495,415.60

Finding the Fourth Proportional to 857,976.48, 1,184,063.52 and 495,415.60

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Solution

The fourth proportional to 857,976.48, 1,184,063.52 and 495,415.60 is: 683,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,976.48 : 1,184,063.52 = 495,415.60 : x
  2. Step 2: Convert to fraction form
    857,976.48/1,184,063.52 = 495,415.60/x
  3. Step 3: Cross multiply
    857,976.48x = 1,184,063.52 × 495,415.60
  4. Step 4: Simplify right side
    857,976.48x = 586,603,539,198.91
  5. Step 5: Solve for x
    x = 586,603,539,198.91/857,976.48
  6. Step 6: Final answer
    x = 683,705.85

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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.