Home / 812,000.82-1,218,124.22-589,043.69

Finding the Fourth Proportional to 812,000.82, 1,218,124.22 and 589,043.69

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Solution

The fourth proportional to 812,000.82, 1,218,124.22 and 589,043.69 is: 883,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,000.82 : 1,218,124.22 = 589,043.69 : x
  2. Step 2: Convert to fraction form
    812,000.82/1,218,124.22 = 589,043.69/x
  3. Step 3: Cross multiply
    812,000.82x = 1,218,124.22 × 589,043.69
  4. Step 4: Simplify right side
    812,000.82x = 717,528,376,391.33
  5. Step 5: Solve for x
    x = 717,528,376,391.33/812,000.82
  6. Step 6: Final answer
    x = 883,654.74

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1.5x scale

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.