Home / 452,837.12-625,463.30-330,135.20

Finding the Fourth Proportional to 452,837.12, 625,463.30 and 330,135.20

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Solution

The fourth proportional to 452,837.12, 625,463.30 and 330,135.20 is: 455,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,837.12 : 625,463.30 = 330,135.20 : x
  2. Step 2: Convert to fraction form
    452,837.12/625,463.30 = 330,135.20/x
  3. Step 3: Cross multiply
    452,837.12x = 625,463.30 × 330,135.20
  4. Step 4: Simplify right side
    452,837.12x = 206,487,451,638.16
  5. Step 5: Solve for x
    x = 206,487,451,638.16/452,837.12
  6. Step 6: Final answer
    x = 455,986.14

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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.