Home / 1,621,665.24-2,237,827.71-886,605.42

Finding the Fourth Proportional to 1,621,665.24, 2,237,827.71 and 886,605.42

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Solution

The fourth proportional to 1,621,665.24, 2,237,827.71 and 886,605.42 is: 1,223,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,665.24 : 2,237,827.71 = 886,605.42 : x
  2. Step 2: Convert to fraction form
    1,621,665.24/2,237,827.71 = 886,605.42/x
  3. Step 3: Cross multiply
    1,621,665.24x = 2,237,827.71 × 886,605.42
  4. Step 4: Simplify right side
    1,621,665.24x = 1,984,070,176,712.19
  5. Step 5: Solve for x
    x = 1,984,070,176,712.19/1,621,665.24
  6. Step 6: Final answer
    x = 1,223,477.03

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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.