Home / 446,578.20-669,089.70-384,370.20

Finding the Fourth Proportional to 446,578.20, 669,089.70 and 384,370.20

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Solution

The fourth proportional to 446,578.20, 669,089.70 and 384,370.20 is: 575,886.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,578.20 : 669,089.70 = 384,370.20 : x
  2. Step 2: Convert to fraction form
    446,578.20/669,089.70 = 384,370.20/x
  3. Step 3: Cross multiply
    446,578.20x = 669,089.70 × 384,370.20
  4. Step 4: Simplify right side
    446,578.20x = 257,178,141,806.94
  5. Step 5: Solve for x
    x = 257,178,141,806.94/446,578.20
  6. Step 6: Final answer
    x = 575,886.02

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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.