Home / 847,120.52-1,169,131.66-484,494.06

Finding the Fourth Proportional to 847,120.52, 1,169,131.66 and 484,494.06

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Solution

The fourth proportional to 847,120.52, 1,169,131.66 and 484,494.06 is: 668,662.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,120.52 : 1,169,131.66 = 484,494.06 : x
  2. Step 2: Convert to fraction form
    847,120.52/1,169,131.66 = 484,494.06/x
  3. Step 3: Cross multiply
    847,120.52x = 1,169,131.66 × 484,494.06
  4. Step 4: Simplify right side
    847,120.52x = 566,437,344,627.94
  5. Step 5: Solve for x
    x = 566,437,344,627.94/847,120.52
  6. Step 6: Final answer
    x = 668,662.05

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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.