Home / 1,461,230.80-2,191,846.20-664,069.30

Finding the Fourth Proportional to 1,461,230.80, 2,191,846.20 and 664,069.30

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Solution

The fourth proportional to 1,461,230.80, 2,191,846.20 and 664,069.30 is: 996,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,230.80 : 2,191,846.20 = 664,069.30 : x
  2. Step 2: Convert to fraction form
    1,461,230.80/2,191,846.20 = 664,069.30/x
  3. Step 3: Cross multiply
    1,461,230.80x = 2,191,846.20 × 664,069.30
  4. Step 4: Simplify right side
    1,461,230.80x = 1,455,537,771,741.66
  5. Step 5: Solve for x
    x = 1,455,537,771,741.66/1,461,230.80
  6. Step 6: Final answer
    x = 996,103.95

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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.