Home / 785,524.50-1,177,188.30-424,916.82

Finding the Fourth Proportional to 785,524.50, 1,177,188.30 and 424,916.82

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Solution

The fourth proportional to 785,524.50, 1,177,188.30 and 424,916.82 is: 636,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,524.50 : 1,177,188.30 = 424,916.82 : x
  2. Step 2: Convert to fraction form
    785,524.50/1,177,188.30 = 424,916.82/x
  3. Step 3: Cross multiply
    785,524.50x = 1,177,188.30 × 424,916.82
  4. Step 4: Simplify right side
    785,524.50x = 500,207,108,977.21
  5. Step 5: Solve for x
    x = 500,207,108,977.21/785,524.50
  6. Step 6: Final answer
    x = 636,781.04

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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.