Home / 1,435,469.48-2,153,204.25-424,512.69

Finding the Fourth Proportional to 1,435,469.48, 2,153,204.25 and 424,512.69

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Solution

The fourth proportional to 1,435,469.48, 2,153,204.25 and 424,512.69 is: 636,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,469.48 : 2,153,204.25 = 424,512.69 : x
  2. Step 2: Convert to fraction form
    1,435,469.48/2,153,204.25 = 424,512.69/x
  3. Step 3: Cross multiply
    1,435,469.48x = 2,153,204.25 × 424,512.69
  4. Step 4: Simplify right side
    1,435,469.48x = 914,062,528,286.93
  5. Step 5: Solve for x
    x = 914,062,528,286.93/1,435,469.48
  6. Step 6: Final answer
    x = 636,769.05

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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.