Home / 1,388,136.30-2,082,204.45-441,602.70

Finding the Fourth Proportional to 1,388,136.30, 2,082,204.45 and 441,602.70

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Solution

The fourth proportional to 1,388,136.30, 2,082,204.45 and 441,602.70 is: 662,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,136.30 : 2,082,204.45 = 441,602.70 : x
  2. Step 2: Convert to fraction form
    1,388,136.30/2,082,204.45 = 441,602.70/x
  3. Step 3: Cross multiply
    1,388,136.30x = 2,082,204.45 × 441,602.70
  4. Step 4: Simplify right side
    1,388,136.30x = 919,507,107,072.02
  5. Step 5: Solve for x
    x = 919,507,107,072.02/1,388,136.30
  6. Step 6: Final answer
    x = 662,404.05

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1.5x scale

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.