Home / 741,170.07-1,022,816.03-401,638.32

Finding the Fourth Proportional to 741,170.07, 1,022,816.03 and 401,638.32

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Solution

The fourth proportional to 741,170.07, 1,022,816.03 and 401,638.32 is: 554,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,170.07 : 1,022,816.03 = 401,638.32 : x
  2. Step 2: Convert to fraction form
    741,170.07/1,022,816.03 = 401,638.32/x
  3. Step 3: Cross multiply
    741,170.07x = 1,022,816.03 × 401,638.32
  4. Step 4: Simplify right side
    741,170.07x = 410,802,109,950.08
  5. Step 5: Solve for x
    x = 410,802,109,950.08/741,170.07
  6. Step 6: Final answer
    x = 554,261.60

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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.