Home / 1,656,183.38-2,285,623.05-921,215.30

Finding the Fourth Proportional to 1,656,183.38, 2,285,623.05 and 921,215.30

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Solution

The fourth proportional to 1,656,183.38, 2,285,623.05 and 921,215.30 is: 1,271,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,183.38 : 2,285,623.05 = 921,215.30 : x
  2. Step 2: Convert to fraction form
    1,656,183.38/2,285,623.05 = 921,215.30/x
  3. Step 3: Cross multiply
    1,656,183.38x = 2,285,623.05 × 921,215.30
  4. Step 4: Simplify right side
    1,656,183.38x = 2,105,550,923,692.67
  5. Step 5: Solve for x
    x = 2,105,550,923,692.67/1,656,183.38
  6. Step 6: Final answer
    x = 1,271,327.17

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1.5x scale

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.