Home / 1,165,640.76-1,747,423.80-455,507.28

Finding the Fourth Proportional to 1,165,640.76, 1,747,423.80 and 455,507.28

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Solution

The fourth proportional to 1,165,640.76, 1,747,423.80 and 455,507.28 is: 682,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,640.76 : 1,747,423.80 = 455,507.28 : x
  2. Step 2: Convert to fraction form
    1,165,640.76/1,747,423.80 = 455,507.28/x
  3. Step 3: Cross multiply
    1,165,640.76x = 1,747,423.80 × 455,507.28
  4. Step 4: Simplify right side
    1,165,640.76x = 795,964,262,145.26
  5. Step 5: Solve for x
    x = 795,964,262,145.26/1,165,640.76
  6. Step 6: Final answer
    x = 682,855.55

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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.