Home / 741,220.11-1,022,884.62-401,688.36

Finding the Fourth Proportional to 741,220.11, 1,022,884.62 and 401,688.36

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Solution

The fourth proportional to 741,220.11, 1,022,884.62 and 401,688.36 is: 554,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,220.11 : 1,022,884.62 = 401,688.36 : x
  2. Step 2: Convert to fraction form
    741,220.11/1,022,884.62 = 401,688.36/x
  3. Step 3: Cross multiply
    741,220.11x = 1,022,884.62 × 401,688.36
  4. Step 4: Simplify right side
    741,220.11x = 410,880,845,477.02
  5. Step 5: Solve for x
    x = 410,880,845,477.02/741,220.11
  6. Step 6: Final answer
    x = 554,330.41

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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.