Home / 406,610.20-560,790.66-286,150.60

Finding the Fourth Proportional to 406,610.20, 560,790.66 and 286,150.60

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Solution

The fourth proportional to 406,610.20, 560,790.66 and 286,150.60 is: 394,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,610.20 : 560,790.66 = 286,150.60 : x
  2. Step 2: Convert to fraction form
    406,610.20/560,790.66 = 286,150.60/x
  3. Step 3: Cross multiply
    406,610.20x = 560,790.66 × 286,150.60
  4. Step 4: Simplify right side
    406,610.20x = 160,470,583,833.40
  5. Step 5: Solve for x
    x = 160,470,583,833.40/406,610.20
  6. Step 6: Final answer
    x = 394,654.60

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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.