Home / 466,872.03-644,274.65-285,570.64

Finding the Fourth Proportional to 466,872.03, 644,274.65 and 285,570.64

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Solution

The fourth proportional to 466,872.03, 644,274.65 and 285,570.64 is: 394,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,872.03 : 644,274.65 = 285,570.64 : x
  2. Step 2: Convert to fraction form
    466,872.03/644,274.65 = 285,570.64/x
  3. Step 3: Cross multiply
    466,872.03x = 644,274.65 × 285,570.64
  4. Step 4: Simplify right side
    466,872.03x = 183,985,924,136.28
  5. Step 5: Solve for x
    x = 183,985,924,136.28/466,872.03
  6. Step 6: Final answer
    x = 394,082.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.