Home / 1,140,315.76-1,573,528.94-681,338.96

Finding the Fourth Proportional to 1,140,315.76, 1,573,528.94 and 681,338.96

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Solution

The fourth proportional to 1,140,315.76, 1,573,528.94 and 681,338.96 is: 940,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,315.76 : 1,573,528.94 = 681,338.96 : x
  2. Step 2: Convert to fraction form
    1,140,315.76/1,573,528.94 = 681,338.96/x
  3. Step 3: Cross multiply
    1,140,315.76x = 1,573,528.94 × 681,338.96
  4. Step 4: Simplify right side
    1,140,315.76x = 1,072,106,571,509.50
  5. Step 5: Solve for x
    x = 1,072,106,571,509.50/1,140,315.76
  6. Step 6: Final answer
    x = 940,183.95

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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.