Home / 460,811.80-691,314.90-194,435.20

Finding the Fourth Proportional to 460,811.80, 691,314.90 and 194,435.20

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Solution

The fourth proportional to 460,811.80, 691,314.90 and 194,435.20 is: 291,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,811.80 : 691,314.90 = 194,435.20 : x
  2. Step 2: Convert to fraction form
    460,811.80/691,314.90 = 194,435.20/x
  3. Step 3: Cross multiply
    460,811.80x = 691,314.90 × 194,435.20
  4. Step 4: Simplify right side
    460,811.80x = 134,415,950,844.48
  5. Step 5: Solve for x
    x = 134,415,950,844.48/460,811.80
  6. Step 6: Final answer
    x = 291,693.81

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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.