Home / 1,256,887.13-1,734,489.65-683,917.43

Finding the Fourth Proportional to 1,256,887.13, 1,734,489.65 and 683,917.43

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Solution

The fourth proportional to 1,256,887.13, 1,734,489.65 and 683,917.43 is: 943,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,887.13 : 1,734,489.65 = 683,917.43 : x
  2. Step 2: Convert to fraction form
    1,256,887.13/1,734,489.65 = 683,917.43/x
  3. Step 3: Cross multiply
    1,256,887.13x = 1,734,489.65 × 683,917.43
  4. Step 4: Simplify right side
    1,256,887.13x = 1,186,247,696,826.95
  5. Step 5: Solve for x
    x = 1,186,247,696,826.95/1,256,887.13
  6. Step 6: Final answer
    x = 943,798.11

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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.