Home / 461,933.80-693,131.10-262,407.40

Finding the Fourth Proportional to 461,933.80, 693,131.10 and 262,407.40

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Solution

The fourth proportional to 461,933.80, 693,131.10 and 262,407.40 is: 393,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,933.80 : 693,131.10 = 262,407.40 : x
  2. Step 2: Convert to fraction form
    461,933.80/693,131.10 = 262,407.40/x
  3. Step 3: Cross multiply
    461,933.80x = 693,131.10 × 262,407.40
  4. Step 4: Simplify right side
    461,933.80x = 181,882,729,810.14
  5. Step 5: Solve for x
    x = 181,882,729,810.14/461,933.80
  6. Step 6: Final answer
    x = 393,741.98

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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.