Home / 502,585.12-693,555.76-273,136.96

Finding the Fourth Proportional to 502,585.12, 693,555.76 and 273,136.96

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Solution

The fourth proportional to 502,585.12, 693,555.76 and 273,136.96 is: 376,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,585.12 : 693,555.76 = 273,136.96 : x
  2. Step 2: Convert to fraction form
    502,585.12/693,555.76 = 273,136.96/x
  3. Step 3: Cross multiply
    502,585.12x = 693,555.76 × 273,136.96
  4. Step 4: Simplify right side
    502,585.12x = 189,435,711,876.89
  5. Step 5: Solve for x
    x = 189,435,711,876.89/502,585.12
  6. Step 6: Final answer
    x = 376,922.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.