Home / 1,144,391.49-1,716,645.56-386,260.65

Finding the Fourth Proportional to 1,144,391.49, 1,716,645.56 and 386,260.65

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Solution

The fourth proportional to 1,144,391.49, 1,716,645.56 and 386,260.65 is: 579,410.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,391.49 : 1,716,645.56 = 386,260.65 : x
  2. Step 2: Convert to fraction form
    1,144,391.49/1,716,645.56 = 386,260.65/x
  3. Step 3: Cross multiply
    1,144,391.49x = 1,716,645.56 × 386,260.65
  4. Step 4: Simplify right side
    1,144,391.49x = 663,072,627,893.91
  5. Step 5: Solve for x
    x = 663,072,627,893.91/1,144,391.49
  6. Step 6: Final answer
    x = 579,410.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.