Home / 540,974.10-746,544.79-299,273.01

Finding the Fourth Proportional to 540,974.10, 746,544.79 and 299,273.01

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Solution

The fourth proportional to 540,974.10, 746,544.79 and 299,273.01 is: 412,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,974.10 : 746,544.79 = 299,273.01 : x
  2. Step 2: Convert to fraction form
    540,974.10/746,544.79 = 299,273.01/x
  3. Step 3: Cross multiply
    540,974.10x = 746,544.79 × 299,273.01
  4. Step 4: Simplify right side
    540,974.10x = 223,420,706,216.07
  5. Step 5: Solve for x
    x = 223,420,706,216.07/540,974.10
  6. Step 6: Final answer
    x = 412,997.05

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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.