Home / 460,462.05-690,766.89-194,261.78

Finding the Fourth Proportional to 460,462.05, 690,766.89 and 194,261.78

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Solution

The fourth proportional to 460,462.05, 690,766.89 and 194,261.78 is: 291,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,462.05 : 690,766.89 = 194,261.78 : x
  2. Step 2: Convert to fraction form
    460,462.05/690,766.89 = 194,261.78/x
  3. Step 3: Cross multiply
    460,462.05x = 690,766.89 × 194,261.78
  4. Step 4: Simplify right side
    460,462.05x = 134,189,602,162.63
  5. Step 5: Solve for x
    x = 134,189,602,162.63/460,462.05
  6. Step 6: Final answer
    x = 291,423.80

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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.