Home / 715,273.62-1,073,185.56-315,632.04

Finding the Fourth Proportional to 715,273.62, 1,073,185.56 and 315,632.04

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Solution

The fourth proportional to 715,273.62, 1,073,185.56 and 315,632.04 is: 473,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,273.62 : 1,073,185.56 = 315,632.04 : x
  2. Step 2: Convert to fraction form
    715,273.62/1,073,185.56 = 315,632.04/x
  3. Step 3: Cross multiply
    715,273.62x = 1,073,185.56 × 315,632.04
  4. Step 4: Simplify right side
    715,273.62x = 338,731,747,601.34
  5. Step 5: Solve for x
    x = 338,731,747,601.34/715,273.62
  6. Step 6: Final answer
    x = 473,569.47

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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.