Home / 863,713.08-1,191,918.30-476,548.44

Finding the Fourth Proportional to 863,713.08, 1,191,918.30 and 476,548.44

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Solution

The fourth proportional to 863,713.08, 1,191,918.30 and 476,548.44 is: 657,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,713.08 : 1,191,918.30 = 476,548.44 : x
  2. Step 2: Convert to fraction form
    863,713.08/1,191,918.30 = 476,548.44/x
  3. Step 3: Cross multiply
    863,713.08x = 1,191,918.30 × 476,548.44
  4. Step 4: Simplify right side
    863,713.08x = 568,006,806,472.45
  5. Step 5: Solve for x
    x = 568,006,806,472.45/863,713.08
  6. Step 6: Final answer
    x = 657,633.67

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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.