Home / 825,063.52-1,138,658.82-462,557.33

Finding the Fourth Proportional to 825,063.52, 1,138,658.82 and 462,557.33

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Solution

The fourth proportional to 825,063.52, 1,138,658.82 and 462,557.33 is: 638,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,063.52 : 1,138,658.82 = 462,557.33 : x
  2. Step 2: Convert to fraction form
    825,063.52/1,138,658.82 = 462,557.33/x
  3. Step 3: Cross multiply
    825,063.52x = 1,138,658.82 × 462,557.33
  4. Step 4: Simplify right side
    825,063.52x = 526,694,986,807.19
  5. Step 5: Solve for x
    x = 526,694,986,807.19/825,063.52
  6. Step 6: Final answer
    x = 638,369.02

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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.