Home / 741,076.88-1,022,687.04-401,545.04

Finding the Fourth Proportional to 741,076.88, 1,022,687.04 and 401,545.04

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Solution

The fourth proportional to 741,076.88, 1,022,687.04 and 401,545.04 is: 554,132.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,076.88 : 1,022,687.04 = 401,545.04 : x
  2. Step 2: Convert to fraction form
    741,076.88/1,022,687.04 = 401,545.04/x
  3. Step 3: Cross multiply
    741,076.88x = 1,022,687.04 × 401,545.04
  4. Step 4: Simplify right side
    741,076.88x = 410,654,908,384.28
  5. Step 5: Solve for x
    x = 410,654,908,384.28/741,076.88
  6. Step 6: Final answer
    x = 554,132.67

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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.