Home / 1,621,384.40-2,237,433.17-886,376.61

Finding the Fourth Proportional to 1,621,384.40, 2,237,433.17 and 886,376.61

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Solution

The fourth proportional to 1,621,384.40, 2,237,433.17 and 886,376.61 is: 1,223,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,384.40 : 2,237,433.17 = 886,376.61 : x
  2. Step 2: Convert to fraction form
    1,621,384.40/2,237,433.17 = 886,376.61/x
  3. Step 3: Cross multiply
    1,621,384.40x = 2,237,433.17 × 886,376.61
  4. Step 4: Simplify right side
    1,621,384.40x = 1,983,208,424,487.24
  5. Step 5: Solve for x
    x = 1,983,208,424,487.24/1,621,384.40
  6. Step 6: Final answer
    x = 1,223,157.46

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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.