Home / 1,621,395.92-2,237,526.86-886,353.39

Finding the Fourth Proportional to 1,621,395.92, 2,237,526.86 and 886,353.39

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Solution

The fourth proportional to 1,621,395.92, 2,237,526.86 and 886,353.39 is: 1,223,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,395.92 : 2,237,526.86 = 886,353.39 : x
  2. Step 2: Convert to fraction form
    1,621,395.92/2,237,526.86 = 886,353.39/x
  3. Step 3: Cross multiply
    1,621,395.92x = 2,237,526.86 × 886,353.39
  4. Step 4: Simplify right side
    1,621,395.92x = 1,983,239,513,145.29
  5. Step 5: Solve for x
    x = 1,983,239,513,145.29/1,621,395.92
  6. Step 6: Final answer
    x = 1,223,167.94

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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.