Home / 446,865.90-669,921.21-193,955.10

Finding the Fourth Proportional to 446,865.90, 669,921.21 and 193,955.10

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Solution

The fourth proportional to 446,865.90, 669,921.21 and 193,955.10 is: 290,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,865.90 : 669,921.21 = 193,955.10 : x
  2. Step 2: Convert to fraction form
    446,865.90/669,921.21 = 193,955.10/x
  3. Step 3: Cross multiply
    446,865.90x = 669,921.21 × 193,955.10
  4. Step 4: Simplify right side
    446,865.90x = 129,934,635,277.67
  5. Step 5: Solve for x
    x = 129,934,635,277.67/446,865.90
  6. Step 6: Final answer
    x = 290,768.74

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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.