Home / 1,246,668.60-1,870,100.10-536,719.80

Finding the Fourth Proportional to 1,246,668.60, 1,870,100.10 and 536,719.80

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Solution

The fourth proportional to 1,246,668.60, 1,870,100.10 and 536,719.80 is: 805,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,668.60 : 1,870,100.10 = 536,719.80 : x
  2. Step 2: Convert to fraction form
    1,246,668.60/1,870,100.10 = 536,719.80/x
  3. Step 3: Cross multiply
    1,246,668.60x = 1,870,100.10 × 536,719.80
  4. Step 4: Simplify right side
    1,246,668.60x = 1,003,719,751,651.98
  5. Step 5: Solve for x
    x = 1,003,719,751,651.98/1,246,668.60
  6. Step 6: Final answer
    x = 805,121.55

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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.