Home / 510,939.73-705,103.68-284,585.23

Finding the Fourth Proportional to 510,939.73, 705,103.68 and 284,585.23

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Solution

The fourth proportional to 510,939.73, 705,103.68 and 284,585.23 is: 392,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,939.73 : 705,103.68 = 284,585.23 : x
  2. Step 2: Convert to fraction form
    510,939.73/705,103.68 = 284,585.23/x
  3. Step 3: Cross multiply
    510,939.73x = 705,103.68 × 284,585.23
  4. Step 4: Simplify right side
    510,939.73x = 200,662,092,946.65
  5. Step 5: Solve for x
    x = 200,662,092,946.65/510,939.73
  6. Step 6: Final answer
    x = 392,731.43

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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.