Home / 1,435,414.88-2,153,543.39-424,563.50

Finding the Fourth Proportional to 1,435,414.88, 2,153,543.39 and 424,563.50

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Solution

The fourth proportional to 1,435,414.88, 2,153,543.39 and 424,563.50 is: 636,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,414.88 : 2,153,543.39 = 424,563.50 : x
  2. Step 2: Convert to fraction form
    1,435,414.88/2,153,543.39 = 424,563.50/x
  3. Step 3: Cross multiply
    1,435,414.88x = 2,153,543.39 × 424,563.50
  4. Step 4: Simplify right side
    1,435,414.88x = 914,315,919,060.27
  5. Step 5: Solve for x
    x = 914,315,919,060.27/1,435,414.88
  6. Step 6: Final answer
    x = 636,969.79

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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.