Home / 433,961.20-651,362.10-209,479.24

Finding the Fourth Proportional to 433,961.20, 651,362.10 and 209,479.24

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Solution

The fourth proportional to 433,961.20, 651,362.10 and 209,479.24 is: 314,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,961.20 : 651,362.10 = 209,479.24 : x
  2. Step 2: Convert to fraction form
    433,961.20/651,362.10 = 209,479.24/x
  3. Step 3: Cross multiply
    433,961.20x = 651,362.10 × 209,479.24
  4. Step 4: Simplify right side
    433,961.20x = 136,446,837,672.80
  5. Step 5: Solve for x
    x = 136,446,837,672.80/433,961.20
  6. Step 6: Final answer
    x = 314,421.74

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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.