Home / 825,146.46-1,138,796.60-462,668.22

Finding the Fourth Proportional to 825,146.46, 1,138,796.60 and 462,668.22

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Solution

The fourth proportional to 825,146.46, 1,138,796.60 and 462,668.22 is: 638,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,146.46 : 1,138,796.60 = 462,668.22 : x
  2. Step 2: Convert to fraction form
    825,146.46/1,138,796.60 = 462,668.22/x
  3. Step 3: Cross multiply
    825,146.46x = 1,138,796.60 × 462,668.22
  4. Step 4: Simplify right side
    825,146.46x = 526,884,993,550.71
  5. Step 5: Solve for x
    x = 526,884,993,550.71/825,146.46
  6. Step 6: Final answer
    x = 638,535.12

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Double scale
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1.5x scale

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.