Home / 863,149.50-1,191,261.75-495,771.18

Finding the Fourth Proportional to 863,149.50, 1,191,261.75 and 495,771.18

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Solution

The fourth proportional to 863,149.50, 1,191,261.75 and 495,771.18 is: 684,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,149.50 : 1,191,261.75 = 495,771.18 : x
  2. Step 2: Convert to fraction form
    863,149.50/1,191,261.75 = 495,771.18/x
  3. Step 3: Cross multiply
    863,149.50x = 1,191,261.75 × 495,771.18
  4. Step 4: Simplify right side
    863,149.50x = 590,593,243,486.37
  5. Step 5: Solve for x
    x = 590,593,243,486.37/863,149.50
  6. Step 6: Final answer
    x = 684,230.53

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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.