Home / 946,665.28-1,306,408.80-516,950.56

Finding the Fourth Proportional to 946,665.28, 1,306,408.80 and 516,950.56

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Solution

The fourth proportional to 946,665.28, 1,306,408.80 and 516,950.56 is: 713,397.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,665.28 : 1,306,408.80 = 516,950.56 : x
  2. Step 2: Convert to fraction form
    946,665.28/1,306,408.80 = 516,950.56/x
  3. Step 3: Cross multiply
    946,665.28x = 1,306,408.80 × 516,950.56
  4. Step 4: Simplify right side
    946,665.28x = 675,348,760,748.93
  5. Step 5: Solve for x
    x = 675,348,760,748.93/946,665.28
  6. Step 6: Final answer
    x = 713,397.62

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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.