Home / 847,249.32-1,271,165.64-531,336.36

Finding the Fourth Proportional to 847,249.32, 1,271,165.64 and 531,336.36

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Solution

The fourth proportional to 847,249.32, 1,271,165.64 and 531,336.36 is: 797,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,249.32 : 1,271,165.64 = 531,336.36 : x
  2. Step 2: Convert to fraction form
    847,249.32/1,271,165.64 = 531,336.36/x
  3. Step 3: Cross multiply
    847,249.32x = 1,271,165.64 × 531,336.36
  4. Step 4: Simplify right side
    847,249.32x = 675,416,524,114.67
  5. Step 5: Solve for x
    x = 675,416,524,114.67/847,249.32
  6. Step 6: Final answer
    x = 797,187.45

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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.