Home / 1,140,558.10-1,573,863.54-681,581.59

Finding the Fourth Proportional to 1,140,558.10, 1,573,863.54 and 681,581.59

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Solution

The fourth proportional to 1,140,558.10, 1,573,863.54 and 681,581.59 is: 940,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,558.10 : 1,573,863.54 = 681,581.59 : x
  2. Step 2: Convert to fraction form
    1,140,558.10/1,573,863.54 = 681,581.59/x
  3. Step 3: Cross multiply
    1,140,558.10x = 1,573,863.54 × 681,581.59
  4. Step 4: Simplify right side
    1,140,558.10x = 1,072,716,414,036.23
  5. Step 5: Solve for x
    x = 1,072,716,414,036.23/1,140,558.10
  6. Step 6: Final answer
    x = 940,518.87

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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.