Home / 1,214,288.09-1,821,307.31-404,585.05

Finding the Fourth Proportional to 1,214,288.09, 1,821,307.31 and 404,585.05

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Solution

The fourth proportional to 1,214,288.09, 1,821,307.31 and 404,585.05 is: 606,835.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,288.09 : 1,821,307.31 = 404,585.05 : x
  2. Step 2: Convert to fraction form
    1,214,288.09/1,821,307.31 = 404,585.05/x
  3. Step 3: Cross multiply
    1,214,288.09x = 1,821,307.31 × 404,585.05
  4. Step 4: Simplify right side
    1,214,288.09x = 736,873,704,528.45
  5. Step 5: Solve for x
    x = 736,873,704,528.45/1,214,288.09
  6. Step 6: Final answer
    x = 606,835.98

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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.