Home / 946,665.78-1,306,409.49-516,951.06

Finding the Fourth Proportional to 946,665.78, 1,306,409.49 and 516,951.06

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Solution

The fourth proportional to 946,665.78, 1,306,409.49 and 516,951.06 is: 713,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,665.78 : 1,306,409.49 = 516,951.06 : x
  2. Step 2: Convert to fraction form
    946,665.78/1,306,409.49 = 516,951.06/x
  3. Step 3: Cross multiply
    946,665.78x = 1,306,409.49 × 516,951.06
  4. Step 4: Simplify right side
    946,665.78x = 675,349,770,649.56
  5. Step 5: Solve for x
    x = 675,349,770,649.56/946,665.78
  6. Step 6: Final answer
    x = 713,398.31

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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.