Home / 1,231,308.90-1,846,963.35-433,491.30

Finding the Fourth Proportional to 1,231,308.90, 1,846,963.35 and 433,491.30

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Solution

The fourth proportional to 1,231,308.90, 1,846,963.35 and 433,491.30 is: 650,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,308.90 : 1,846,963.35 = 433,491.30 : x
  2. Step 2: Convert to fraction form
    1,231,308.90/1,846,963.35 = 433,491.30/x
  3. Step 3: Cross multiply
    1,231,308.90x = 1,846,963.35 × 433,491.30
  4. Step 4: Simplify right side
    1,231,308.90x = 800,642,543,643.86
  5. Step 5: Solve for x
    x = 800,642,543,643.86/1,231,308.90
  6. Step 6: Final answer
    x = 650,236.95

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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.