Home / 433,862.70-651,213.86-209,381.16

Finding the Fourth Proportional to 433,862.70, 651,213.86 and 209,381.16

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Solution

The fourth proportional to 433,862.70, 651,213.86 and 209,381.16 is: 314,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,862.70 : 651,213.86 = 209,381.16 : x
  2. Step 2: Convert to fraction form
    433,862.70/651,213.86 = 209,381.16/x
  3. Step 3: Cross multiply
    433,862.70x = 651,213.86 × 209,381.16
  4. Step 4: Simplify right side
    433,862.70x = 136,351,913,414.88
  5. Step 5: Solve for x
    x = 136,351,913,414.88/433,862.70
  6. Step 6: Final answer
    x = 314,274.34

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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.