Home / 1,621,255.64-2,237,341.57-886,210.91

Finding the Fourth Proportional to 1,621,255.64, 2,237,341.57 and 886,210.91

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Solution

The fourth proportional to 1,621,255.64, 2,237,341.57 and 886,210.91 is: 1,222,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,255.64 : 2,237,341.57 = 886,210.91 : x
  2. Step 2: Convert to fraction form
    1,621,255.64/2,237,341.57 = 886,210.91/x
  3. Step 3: Cross multiply
    1,621,255.64x = 2,237,341.57 × 886,210.91
  4. Step 4: Simplify right side
    1,621,255.64x = 1,982,756,503,718.32
  5. Step 5: Solve for x
    x = 1,982,756,503,718.32/1,621,255.64
  6. Step 6: Final answer
    x = 1,222,975.86

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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.