Home / 946,939.96-1,306,769.36-517,220.38

Finding the Fourth Proportional to 946,939.96, 1,306,769.36 and 517,220.38

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Solution

The fourth proportional to 946,939.96, 1,306,769.36 and 517,220.38 is: 713,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,939.96 : 1,306,769.36 = 517,220.38 : x
  2. Step 2: Convert to fraction form
    946,939.96/1,306,769.36 = 517,220.38/x
  3. Step 3: Cross multiply
    946,939.96x = 1,306,769.36 × 517,220.38
  4. Step 4: Simplify right side
    946,939.96x = 675,887,744,951.56
  5. Step 5: Solve for x
    x = 675,887,744,951.56/946,939.96
  6. Step 6: Final answer
    x = 713,759.87

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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.