Home / 925,900.07-1,277,690.36-517,923.11

Finding the Fourth Proportional to 925,900.07, 1,277,690.36 and 517,923.11

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Solution

The fourth proportional to 925,900.07, 1,277,690.36 and 517,923.11 is: 714,704.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,900.07 : 1,277,690.36 = 517,923.11 : x
  2. Step 2: Convert to fraction form
    925,900.07/1,277,690.36 = 517,923.11/x
  3. Step 3: Cross multiply
    925,900.07x = 1,277,690.36 × 517,923.11
  4. Step 4: Simplify right side
    925,900.07x = 661,745,365,472.83
  5. Step 5: Solve for x
    x = 661,745,365,472.83/925,900.07
  6. Step 6: Final answer
    x = 714,704.96

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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.