Home / 891,043.67-1,336,358.63-531,314.97

Finding the Fourth Proportional to 891,043.67, 1,336,358.63 and 531,314.97

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Solution

The fourth proportional to 891,043.67, 1,336,358.63 and 531,314.97 is: 796,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,043.67 : 1,336,358.63 = 531,314.97 : x
  2. Step 2: Convert to fraction form
    891,043.67/1,336,358.63 = 531,314.97/x
  3. Step 3: Cross multiply
    891,043.67x = 1,336,358.63 × 531,314.97
  4. Step 4: Simplify right side
    891,043.67x = 710,027,342,751.12
  5. Step 5: Solve for x
    x = 710,027,342,751.12/891,043.67
  6. Step 6: Final answer
    x = 796,849.10

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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.