Home / 923,434.20-1,385,151.30-828,955.80

Finding the Fourth Proportional to 923,434.20, 1,385,151.30 and 828,955.80

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Solution

The fourth proportional to 923,434.20, 1,385,151.30 and 828,955.80 is: 1,243,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,434.20 : 1,385,151.30 = 828,955.80 : x
  2. Step 2: Convert to fraction form
    923,434.20/1,385,151.30 = 828,955.80/x
  3. Step 3: Cross multiply
    923,434.20x = 1,385,151.30 × 828,955.80
  4. Step 4: Simplify right side
    923,434.20x = 1,148,229,204,012.54
  5. Step 5: Solve for x
    x = 1,148,229,204,012.54/923,434.20
  6. Step 6: Final answer
    x = 1,243,433.70

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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.