Home / 406,218.94-561,166.07-324,439.83

Finding the Fourth Proportional to 406,218.94, 561,166.07 and 324,439.83

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Solution

The fourth proportional to 406,218.94, 561,166.07 and 324,439.83 is: 448,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,218.94 : 561,166.07 = 324,439.83 : x
  2. Step 2: Convert to fraction form
    406,218.94/561,166.07 = 324,439.83/x
  3. Step 3: Cross multiply
    406,218.94x = 561,166.07 × 324,439.83
  4. Step 4: Simplify right side
    406,218.94x = 182,064,624,352.57
  5. Step 5: Solve for x
    x = 182,064,624,352.57/406,218.94
  6. Step 6: Final answer
    x = 448,193.34

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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.