Home / 1,254,485.71-1,731,185.76-681,520.87

Finding the Fourth Proportional to 1,254,485.71, 1,731,185.76 and 681,520.87

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Solution

The fourth proportional to 1,254,485.71, 1,731,185.76 and 681,520.87 is: 940,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,485.71 : 1,731,185.76 = 681,520.87 : x
  2. Step 2: Convert to fraction form
    1,254,485.71/1,731,185.76 = 681,520.87/x
  3. Step 3: Cross multiply
    1,254,485.71x = 1,731,185.76 × 681,520.87
  4. Step 4: Simplify right side
    1,254,485.71x = 1,179,839,225,286.81
  5. Step 5: Solve for x
    x = 1,179,839,225,286.81/1,254,485.71
  6. Step 6: Final answer
    x = 940,496.35

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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.