Home / 1,238,843.64-1,858,585.14-397,402.68

Finding the Fourth Proportional to 1,238,843.64, 1,858,585.14 and 397,402.68

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Solution

The fourth proportional to 1,238,843.64, 1,858,585.14 and 397,402.68 is: 596,206.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,843.64 : 1,858,585.14 = 397,402.68 : x
  2. Step 2: Convert to fraction form
    1,238,843.64/1,858,585.14 = 397,402.68/x
  3. Step 3: Cross multiply
    1,238,843.64x = 1,858,585.14 × 397,402.68
  4. Step 4: Simplify right side
    1,238,843.64x = 738,606,715,644.18
  5. Step 5: Solve for x
    x = 738,606,715,644.18/1,238,843.64
  6. Step 6: Final answer
    x = 596,206.57

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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.