Home / 912,584.72-1,259,343.79-504,675.71

Finding the Fourth Proportional to 912,584.72, 1,259,343.79 and 504,675.71

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Solution

The fourth proportional to 912,584.72, 1,259,343.79 and 504,675.71 is: 696,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,584.72 : 1,259,343.79 = 504,675.71 : x
  2. Step 2: Convert to fraction form
    912,584.72/1,259,343.79 = 504,675.71/x
  3. Step 3: Cross multiply
    912,584.72x = 1,259,343.79 × 504,675.71
  4. Step 4: Simplify right side
    912,584.72x = 635,560,221,352.34
  5. Step 5: Solve for x
    x = 635,560,221,352.34/912,584.72
  6. Step 6: Final answer
    x = 696,439.69

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Double scale
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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.