Home / 446,540.20-669,032.70-384,332.20

Finding the Fourth Proportional to 446,540.20, 669,032.70 and 384,332.20

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Solution

The fourth proportional to 446,540.20, 669,032.70 and 384,332.20 is: 575,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,540.20 : 669,032.70 = 384,332.20 : x
  2. Step 2: Convert to fraction form
    446,540.20/669,032.70 = 384,332.20/x
  3. Step 3: Cross multiply
    446,540.20x = 669,032.70 × 384,332.20
  4. Step 4: Simplify right side
    446,540.20x = 257,130,809,462.94
  5. Step 5: Solve for x
    x = 257,130,809,462.94/446,540.20
  6. Step 6: Final answer
    x = 575,829.03

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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.