Home / 1,362,328.64-2,043,487.20-415,696.16

Finding the Fourth Proportional to 1,362,328.64, 2,043,487.20 and 415,696.16

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Solution

The fourth proportional to 1,362,328.64, 2,043,487.20 and 415,696.16 is: 623,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,328.64 : 2,043,487.20 = 415,696.16 : x
  2. Step 2: Convert to fraction form
    1,362,328.64/2,043,487.20 = 415,696.16/x
  3. Step 3: Cross multiply
    1,362,328.64x = 2,043,487.20 × 415,696.16
  4. Step 4: Simplify right side
    1,362,328.64x = 849,469,782,049.15
  5. Step 5: Solve for x
    x = 849,469,782,049.15/1,362,328.64
  6. Step 6: Final answer
    x = 623,542.48

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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.