Home / 1,621,533-2,432,693.18-499,601.96

Finding the Fourth Proportional to 1,621,533, 2,432,693.18 and 499,601.96

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Solution

The fourth proportional to 1,621,533, 2,432,693.18 and 499,601.96 is: 749,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,533 : 2,432,693.18 = 499,601.96 : x
  2. Step 2: Convert to fraction form
    1,621,533/2,432,693.18 = 499,601.96/x
  3. Step 3: Cross multiply
    1,621,533x = 2,432,693.18 × 499,601.96
  4. Step 4: Simplify right side
    1,621,533x = 1,215,378,280,806.63
  5. Step 5: Solve for x
    x = 1,215,378,280,806.63/1,621,533
  6. Step 6: Final answer
    x = 749,524.23

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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.