Home / 1,074,481.04-1,482,834.12-621,684.56

Finding the Fourth Proportional to 1,074,481.04, 1,482,834.12 and 621,684.56

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Solution

The fourth proportional to 1,074,481.04, 1,482,834.12 and 621,684.56 is: 857,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,481.04 : 1,482,834.12 = 621,684.56 : x
  2. Step 2: Convert to fraction form
    1,074,481.04/1,482,834.12 = 621,684.56/x
  3. Step 3: Cross multiply
    1,074,481.04x = 1,482,834.12 × 621,684.56
  4. Step 4: Simplify right side
    1,074,481.04x = 921,855,077,445.19
  5. Step 5: Solve for x
    x = 921,855,077,445.19/1,074,481.04
  6. Step 6: Final answer
    x = 857,953.79

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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.