Home / 1,396,000.45-2,094,000.68-917,703.55

Finding the Fourth Proportional to 1,396,000.45, 2,094,000.68 and 917,703.55

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Solution

The fourth proportional to 1,396,000.45, 2,094,000.68 and 917,703.55 is: 1,376,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,000.45 : 2,094,000.68 = 917,703.55 : x
  2. Step 2: Convert to fraction form
    1,396,000.45/2,094,000.68 = 917,703.55/x
  3. Step 3: Cross multiply
    1,396,000.45x = 2,094,000.68 × 917,703.55
  4. Step 4: Simplify right side
    1,396,000.45x = 1,921,671,857,738.41
  5. Step 5: Solve for x
    x = 1,921,671,857,738.41/1,396,000.45
  6. Step 6: Final answer
    x = 1,376,555.33

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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.