Home / 1,140,561.56-1,573,868.12-681,584.76

Finding the Fourth Proportional to 1,140,561.56, 1,573,868.12 and 681,584.76

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Solution

The fourth proportional to 1,140,561.56, 1,573,868.12 and 681,584.76 is: 940,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,561.56 : 1,573,868.12 = 681,584.76 : x
  2. Step 2: Convert to fraction form
    1,140,561.56/1,573,868.12 = 681,584.76/x
  3. Step 3: Cross multiply
    1,140,561.56x = 1,573,868.12 × 681,584.76
  4. Step 4: Simplify right side
    1,140,561.56x = 1,072,724,521,433.93
  5. Step 5: Solve for x
    x = 1,072,724,521,433.93/1,140,561.56
  6. Step 6: Final answer
    x = 940,523.12

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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.