Home / 847,125.27-1,169,138.21-484,498.80

Finding the Fourth Proportional to 847,125.27, 1,169,138.21 and 484,498.80

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Solution

The fourth proportional to 847,125.27, 1,169,138.21 and 484,498.80 is: 668,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,125.27 : 1,169,138.21 = 484,498.80 : x
  2. Step 2: Convert to fraction form
    847,125.27/1,169,138.21 = 484,498.80/x
  3. Step 3: Cross multiply
    847,125.27x = 1,169,138.21 × 484,498.80
  4. Step 4: Simplify right side
    847,125.27x = 566,446,057,356.65
  5. Step 5: Solve for x
    x = 566,446,057,356.65/847,125.27
  6. Step 6: Final answer
    x = 668,668.59

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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.