Home / 1,238,273.87-1,857,595.32-439,488.51

Finding the Fourth Proportional to 1,238,273.87, 1,857,595.32 and 439,488.51

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Solution

The fourth proportional to 1,238,273.87, 1,857,595.32 and 439,488.51 is: 659,298.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,273.87 : 1,857,595.32 = 439,488.51 : x
  2. Step 2: Convert to fraction form
    1,238,273.87/1,857,595.32 = 439,488.51/x
  3. Step 3: Cross multiply
    1,238,273.87x = 1,857,595.32 × 439,488.51
  4. Step 4: Simplify right side
    1,238,273.87x = 816,391,799,369.77
  5. Step 5: Solve for x
    x = 816,391,799,369.77/1,238,273.87
  6. Step 6: Final answer
    x = 659,298.26

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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.