Home / 1,621,429.83-2,432,245.05-542,039.52

Finding the Fourth Proportional to 1,621,429.83, 2,432,245.05 and 542,039.52

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Solution

The fourth proportional to 1,621,429.83, 2,432,245.05 and 542,039.52 is: 813,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,429.83 : 2,432,245.05 = 542,039.52 : x
  2. Step 2: Convert to fraction form
    1,621,429.83/2,432,245.05 = 542,039.52/x
  3. Step 3: Cross multiply
    1,621,429.83x = 2,432,245.05 × 542,039.52
  4. Step 4: Simplify right side
    1,621,429.83x = 1,318,372,939,424.38
  5. Step 5: Solve for x
    x = 1,318,372,939,424.38/1,621,429.83
  6. Step 6: Final answer
    x = 813,092.81

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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.