Home / 789,970.20-1,184,955.30-471,105.60

Finding the Fourth Proportional to 789,970.20, 1,184,955.30 and 471,105.60

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Solution

The fourth proportional to 789,970.20, 1,184,955.30 and 471,105.60 is: 706,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,970.20 : 1,184,955.30 = 471,105.60 : x
  2. Step 2: Convert to fraction form
    789,970.20/1,184,955.30 = 471,105.60/x
  3. Step 3: Cross multiply
    789,970.20x = 1,184,955.30 × 471,105.60
  4. Step 4: Simplify right side
    789,970.20x = 558,239,077,579.68
  5. Step 5: Solve for x
    x = 558,239,077,579.68/789,970.20
  6. Step 6: Final answer
    x = 706,658.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.