Home / 823,837.20-1,137,014.69-461,284.42

Finding the Fourth Proportional to 823,837.20, 1,137,014.69 and 461,284.42

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Solution

The fourth proportional to 823,837.20, 1,137,014.69 and 461,284.42 is: 636,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,837.20 : 1,137,014.69 = 461,284.42 : x
  2. Step 2: Convert to fraction form
    823,837.20/1,137,014.69 = 461,284.42/x
  3. Step 3: Cross multiply
    823,837.20x = 1,137,014.69 × 461,284.42
  4. Step 4: Simplify right side
    823,837.20x = 524,487,163,517.70
  5. Step 5: Solve for x
    x = 524,487,163,517.70/823,837.20
  6. Step 6: Final answer
    x = 636,639.33

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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.