Home / 1,473,178.62-2,209,815.45-408,230.94

Finding the Fourth Proportional to 1,473,178.62, 2,209,815.45 and 408,230.94

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Solution

The fourth proportional to 1,473,178.62, 2,209,815.45 and 408,230.94 is: 612,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473,178.62 : 2,209,815.45 = 408,230.94 : x
  2. Step 2: Convert to fraction form
    1,473,178.62/2,209,815.45 = 408,230.94/x
  3. Step 3: Cross multiply
    1,473,178.62x = 2,209,815.45 × 408,230.94
  4. Step 4: Simplify right side
    1,473,178.62x = 902,115,038,380.02
  5. Step 5: Solve for x
    x = 902,115,038,380.02/1,473,178.62
  6. Step 6: Final answer
    x = 612,359.58

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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.