Home / 1,231,903.40-1,846,818.30-640,927.40

Finding the Fourth Proportional to 1,231,903.40, 1,846,818.30 and 640,927.40

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Solution

The fourth proportional to 1,231,903.40, 1,846,818.30 and 640,927.40 is: 960,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,903.40 : 1,846,818.30 = 640,927.40 : x
  2. Step 2: Convert to fraction form
    1,231,903.40/1,846,818.30 = 640,927.40/x
  3. Step 3: Cross multiply
    1,231,903.40x = 1,846,818.30 × 640,927.40
  4. Step 4: Simplify right side
    1,231,903.40x = 1,183,676,451,291.42
  5. Step 5: Solve for x
    x = 1,183,676,451,291.42/1,231,903.40
  6. Step 6: Final answer
    x = 960,851.68

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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.