Home / 847,234.32-1,271,143.08-531,321.36

Finding the Fourth Proportional to 847,234.32, 1,271,143.08 and 531,321.36

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Solution

The fourth proportional to 847,234.32, 1,271,143.08 and 531,321.36 is: 797,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,234.32 : 1,271,143.08 = 531,321.36 : x
  2. Step 2: Convert to fraction form
    847,234.32/1,271,143.08 = 531,321.36/x
  3. Step 3: Cross multiply
    847,234.32x = 1,271,143.08 × 531,321.36
  4. Step 4: Simplify right side
    847,234.32x = 675,385,470,020.19
  5. Step 5: Solve for x
    x = 675,385,470,020.19/847,234.32
  6. Step 6: Final answer
    x = 797,164.91

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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.