Home / 733,997.49-1,012,914.46-407,359.81

Finding the Fourth Proportional to 733,997.49, 1,012,914.46 and 407,359.81

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Solution

The fourth proportional to 733,997.49, 1,012,914.46 and 407,359.81 is: 562,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,997.49 : 1,012,914.46 = 407,359.81 : x
  2. Step 2: Convert to fraction form
    733,997.49/1,012,914.46 = 407,359.81/x
  3. Step 3: Cross multiply
    733,997.49x = 1,012,914.46 × 407,359.81
  4. Step 4: Simplify right side
    733,997.49x = 412,620,643,747.20
  5. Step 5: Solve for x
    x = 412,620,643,747.20/733,997.49
  6. Step 6: Final answer
    x = 562,155.39

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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.