Home / 1,393,558.40-2,091,204.88-753,596.40

Finding the Fourth Proportional to 1,393,558.40, 2,091,204.88 and 753,596.40

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Solution

The fourth proportional to 1,393,558.40, 2,091,204.88 and 753,596.40 is: 1,130,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,558.40 : 2,091,204.88 = 753,596.40 : x
  2. Step 2: Convert to fraction form
    1,393,558.40/2,091,204.88 = 753,596.40/x
  3. Step 3: Cross multiply
    1,393,558.40x = 2,091,204.88 × 753,596.40
  4. Step 4: Simplify right side
    1,393,558.40x = 1,575,924,469,230.43
  5. Step 5: Solve for x
    x = 1,575,924,469,230.43/1,393,558.40
  6. Step 6: Final answer
    x = 1,130,863.60

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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.