Home / 741,057.90-1,022,660.55-401,526.12

Finding the Fourth Proportional to 741,057.90, 1,022,660.55 and 401,526.12

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Solution

The fourth proportional to 741,057.90, 1,022,660.55 and 401,526.12 is: 554,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,057.90 : 1,022,660.55 = 401,526.12 : x
  2. Step 2: Convert to fraction form
    741,057.90/1,022,660.55 = 401,526.12/x
  3. Step 3: Cross multiply
    741,057.90x = 1,022,660.55 × 401,526.12
  4. Step 4: Simplify right side
    741,057.90x = 410,624,922,718.57
  5. Step 5: Solve for x
    x = 410,624,922,718.57/741,057.90
  6. Step 6: Final answer
    x = 554,106.40

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Double scale
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Similar ratio
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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.