Home / 1,605,200.64-2,215,402.56-993,549.60

Finding the Fourth Proportional to 1,605,200.64, 2,215,402.56 and 993,549.60

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Solution

The fourth proportional to 1,605,200.64, 2,215,402.56 and 993,549.60 is: 1,371,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,200.64 : 2,215,402.56 = 993,549.60 : x
  2. Step 2: Convert to fraction form
    1,605,200.64/2,215,402.56 = 993,549.60/x
  3. Step 3: Cross multiply
    1,605,200.64x = 2,215,402.56 × 993,549.60
  4. Step 4: Simplify right side
    1,605,200.64x = 2,201,112,327,326.98
  5. Step 5: Solve for x
    x = 2,201,112,327,326.98/1,605,200.64
  6. Step 6: Final answer
    x = 1,371,238.13

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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.