Home / 1,238,271.23-1,857,591.38-439,485.88

Finding the Fourth Proportional to 1,238,271.23, 1,857,591.38 and 439,485.88

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Solution

The fourth proportional to 1,238,271.23, 1,857,591.38 and 439,485.88 is: 659,294.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,271.23 : 1,857,591.38 = 439,485.88 : x
  2. Step 2: Convert to fraction form
    1,238,271.23/1,857,591.38 = 439,485.88/x
  3. Step 3: Cross multiply
    1,238,271.23x = 1,857,591.38 × 439,485.88
  4. Step 4: Simplify right side
    1,238,271.23x = 816,385,178,774.45
  5. Step 5: Solve for x
    x = 816,385,178,774.45/1,238,271.23
  6. Step 6: Final answer
    x = 659,294.31

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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.