Home / 847,243.32-1,271,156.62-531,330.36

Finding the Fourth Proportional to 847,243.32, 1,271,156.62 and 531,330.36

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Solution

The fourth proportional to 847,243.32, 1,271,156.62 and 531,330.36 is: 797,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,243.32 : 1,271,156.62 = 531,330.36 : x
  2. Step 2: Convert to fraction form
    847,243.32/1,271,156.62 = 531,330.36/x
  3. Step 3: Cross multiply
    847,243.32x = 1,271,156.62 × 531,330.36
  4. Step 4: Simplify right side
    847,243.32x = 675,404,104,520.98
  5. Step 5: Solve for x
    x = 675,404,104,520.98/847,243.32
  6. Step 6: Final answer
    x = 797,178.44

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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.