Home / 825,034.11-1,138,599.66-462,458.04

Finding the Fourth Proportional to 825,034.11, 1,138,599.66 and 462,458.04

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Solution

The fourth proportional to 825,034.11, 1,138,599.66 and 462,458.04 is: 638,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,034.11 : 1,138,599.66 = 462,458.04 : x
  2. Step 2: Convert to fraction form
    825,034.11/1,138,599.66 = 462,458.04/x
  3. Step 3: Cross multiply
    825,034.11x = 1,138,599.66 × 462,458.04
  4. Step 4: Simplify right side
    825,034.11x = 526,554,567,108.27
  5. Step 5: Solve for x
    x = 526,554,567,108.27/825,034.11
  6. Step 6: Final answer
    x = 638,221.57

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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.