Home / 668,926.57-923,119.30-382,452.66

Finding the Fourth Proportional to 668,926.57, 923,119.30 and 382,452.66

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Solution

The fourth proportional to 668,926.57, 923,119.30 and 382,452.66 is: 527,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,926.57 : 923,119.30 = 382,452.66 : x
  2. Step 2: Convert to fraction form
    668,926.57/923,119.30 = 382,452.66/x
  3. Step 3: Cross multiply
    668,926.57x = 923,119.30 × 382,452.66
  4. Step 4: Simplify right side
    668,926.57x = 353,049,431,782.34
  5. Step 5: Solve for x
    x = 353,049,431,782.34/668,926.57
  6. Step 6: Final answer
    x = 527,785.03

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1.5x scale

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.