Home / 1,207,453.38-1,666,251.81-663,588.96

Finding the Fourth Proportional to 1,207,453.38, 1,666,251.81 and 663,588.96

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Solution

The fourth proportional to 1,207,453.38, 1,666,251.81 and 663,588.96 is: 915,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,453.38 : 1,666,251.81 = 663,588.96 : x
  2. Step 2: Convert to fraction form
    1,207,453.38/1,666,251.81 = 663,588.96/x
  3. Step 3: Cross multiply
    1,207,453.38x = 1,666,251.81 × 663,588.96
  4. Step 4: Simplify right side
    1,207,453.38x = 1,105,706,305,696.02
  5. Step 5: Solve for x
    x = 1,105,706,305,696.02/1,207,453.38
  6. Step 6: Final answer
    x = 915,734.16

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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.