Home / 403,988.05-557,505.23-222,696.04

Finding the Fourth Proportional to 403,988.05, 557,505.23 and 222,696.04

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Solution

The fourth proportional to 403,988.05, 557,505.23 and 222,696.04 is: 307,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,988.05 : 557,505.23 = 222,696.04 : x
  2. Step 2: Convert to fraction form
    403,988.05/557,505.23 = 222,696.04/x
  3. Step 3: Cross multiply
    403,988.05x = 557,505.23 × 222,696.04
  4. Step 4: Simplify right side
    403,988.05x = 124,154,205,328.16
  5. Step 5: Solve for x
    x = 124,154,205,328.16/403,988.05
  6. Step 6: Final answer
    x = 307,321.48

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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.