Home / 809,431.14-1,116,985.62-446,847.18

Finding the Fourth Proportional to 809,431.14, 1,116,985.62 and 446,847.18

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Solution

The fourth proportional to 809,431.14, 1,116,985.62 and 446,847.18 is: 616,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,431.14 : 1,116,985.62 = 446,847.18 : x
  2. Step 2: Convert to fraction form
    809,431.14/1,116,985.62 = 446,847.18/x
  3. Step 3: Cross multiply
    809,431.14x = 1,116,985.62 × 446,847.18
  4. Step 4: Simplify right side
    809,431.14x = 499,121,874,397.55
  5. Step 5: Solve for x
    x = 499,121,874,397.55/809,431.14
  6. Step 6: Final answer
    x = 616,632.90

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Double scale
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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.