Home / 1,207,000.62-1,665,690.23-663,171.69

Finding the Fourth Proportional to 1,207,000.62, 1,665,690.23 and 663,171.69

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Solution

The fourth proportional to 1,207,000.62, 1,665,690.23 and 663,171.69 is: 915,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,000.62 : 1,665,690.23 = 663,171.69 : x
  2. Step 2: Convert to fraction form
    1,207,000.62/1,665,690.23 = 663,171.69/x
  3. Step 3: Cross multiply
    1,207,000.62x = 1,665,690.23 × 663,171.69
  4. Step 4: Simplify right side
    1,207,000.62x = 1,104,638,601,529.73
  5. Step 5: Solve for x
    x = 1,104,638,601,529.73/1,207,000.62
  6. Step 6: Final answer
    x = 915,193.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.