Home / 446,621.49-669,555.66-193,711.59

Finding the Fourth Proportional to 446,621.49, 669,555.66 and 193,711.59

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Solution

The fourth proportional to 446,621.49, 669,555.66 and 193,711.59 is: 290,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,621.49 : 669,555.66 = 193,711.59 : x
  2. Step 2: Convert to fraction form
    446,621.49/669,555.66 = 193,711.59/x
  3. Step 3: Cross multiply
    446,621.49x = 669,555.66 × 193,711.59
  4. Step 4: Simplify right side
    446,621.49x = 129,700,691,492.10
  5. Step 5: Solve for x
    x = 129,700,691,492.10/446,621.49
  6. Step 6: Final answer
    x = 290,404.05

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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.