Home / 741,419.60-1,023,131.60-401,880.56

Finding the Fourth Proportional to 741,419.60, 1,023,131.60 and 401,880.56

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Solution

The fourth proportional to 741,419.60, 1,023,131.60 and 401,880.56 is: 554,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,419.60 : 1,023,131.60 = 401,880.56 : x
  2. Step 2: Convert to fraction form
    741,419.60/1,023,131.60 = 401,880.56/x
  3. Step 3: Cross multiply
    741,419.60x = 1,023,131.60 × 401,880.56
  4. Step 4: Simplify right side
    741,419.60x = 411,176,700,361.70
  5. Step 5: Solve for x
    x = 411,176,700,361.70/741,419.60
  6. Step 6: Final answer
    x = 554,580.29

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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.