Home / 1,080,537.85-1,619,680.47-406,154.53

Finding the Fourth Proportional to 1,080,537.85, 1,619,680.47 and 406,154.53

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Solution

The fourth proportional to 1,080,537.85, 1,619,680.47 and 406,154.53 is: 608,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,537.85 : 1,619,680.47 = 406,154.53 : x
  2. Step 2: Convert to fraction form
    1,080,537.85/1,619,680.47 = 406,154.53/x
  3. Step 3: Cross multiply
    1,080,537.85x = 1,619,680.47 × 406,154.53
  4. Step 4: Simplify right side
    1,080,537.85x = 657,840,560,043.03
  5. Step 5: Solve for x
    x = 657,840,560,043.03/1,080,537.85
  6. Step 6: Final answer
    x = 608,808.44

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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.