Home / 371,945.80-557,918.70-222,646.60

Finding the Fourth Proportional to 371,945.80, 557,918.70 and 222,646.60

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Solution

The fourth proportional to 371,945.80, 557,918.70 and 222,646.60 is: 333,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,945.80 : 557,918.70 = 222,646.60 : x
  2. Step 2: Convert to fraction form
    371,945.80/557,918.70 = 222,646.60/x
  3. Step 3: Cross multiply
    371,945.80x = 557,918.70 × 222,646.60
  4. Step 4: Simplify right side
    371,945.80x = 124,218,701,631.42
  5. Step 5: Solve for x
    x = 124,218,701,631.42/371,945.80
  6. Step 6: Final answer
    x = 333,969.90

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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.