Home / 741,072.88-1,022,681.52-401,541.04

Finding the Fourth Proportional to 741,072.88, 1,022,681.52 and 401,541.04

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Solution

The fourth proportional to 741,072.88, 1,022,681.52 and 401,541.04 is: 554,127.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,072.88 : 1,022,681.52 = 401,541.04 : x
  2. Step 2: Convert to fraction form
    741,072.88/1,022,681.52 = 401,541.04/x
  3. Step 3: Cross multiply
    741,072.88x = 1,022,681.52 × 401,541.04
  4. Step 4: Simplify right side
    741,072.88x = 410,648,601,129.58
  5. Step 5: Solve for x
    x = 410,648,601,129.58/741,072.88
  6. Step 6: Final answer
    x = 554,127.15

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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.