Home / 1,456,136.20-2,184,204.30-391,285.90

Finding the Fourth Proportional to 1,456,136.20, 2,184,204.30 and 391,285.90

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Solution

The fourth proportional to 1,456,136.20, 2,184,204.30 and 391,285.90 is: 586,928.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,136.20 : 2,184,204.30 = 391,285.90 : x
  2. Step 2: Convert to fraction form
    1,456,136.20/2,184,204.30 = 391,285.90/x
  3. Step 3: Cross multiply
    1,456,136.20x = 2,184,204.30 × 391,285.90
  4. Step 4: Simplify right side
    1,456,136.20x = 854,648,345,309.37
  5. Step 5: Solve for x
    x = 854,648,345,309.37/1,456,136.20
  6. Step 6: Final answer
    x = 586,928.85

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Double scale
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Similar ratio
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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.