Home / 446,864.40-669,918.96-193,953.60

Finding the Fourth Proportional to 446,864.40, 669,918.96 and 193,953.60

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Solution

The fourth proportional to 446,864.40, 669,918.96 and 193,953.60 is: 290,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,864.40 : 669,918.96 = 193,953.60 : x
  2. Step 2: Convert to fraction form
    446,864.40/669,918.96 = 193,953.60/x
  3. Step 3: Cross multiply
    446,864.40x = 669,918.96 × 193,953.60
  4. Step 4: Simplify right side
    446,864.40x = 129,933,194,000.26
  5. Step 5: Solve for x
    x = 129,933,194,000.26/446,864.40
  6. Step 6: Final answer
    x = 290,766.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.