Home / 406,331.93-560,742.18-245,155.83

Finding the Fourth Proportional to 406,331.93, 560,742.18 and 245,155.83

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Solution

The fourth proportional to 406,331.93, 560,742.18 and 245,155.83 is: 338,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,331.93 : 560,742.18 = 245,155.83 : x
  2. Step 2: Convert to fraction form
    406,331.93/560,742.18 = 245,155.83/x
  3. Step 3: Cross multiply
    406,331.93x = 560,742.18 × 245,155.83
  4. Step 4: Simplify right side
    406,331.93x = 137,469,214,685.97
  5. Step 5: Solve for x
    x = 137,469,214,685.97/406,331.93
  6. Step 6: Final answer
    x = 338,317.53

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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.