Home / 1,207,493.34-1,666,378.31-663,619.24

Finding the Fourth Proportional to 1,207,493.34, 1,666,378.31 and 663,619.24

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Solution

The fourth proportional to 1,207,493.34, 1,666,378.31 and 663,619.24 is: 915,815.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,493.34 : 1,666,378.31 = 663,619.24 : x
  2. Step 2: Convert to fraction form
    1,207,493.34/1,666,378.31 = 663,619.24/x
  3. Step 3: Cross multiply
    1,207,493.34x = 1,666,378.31 × 663,619.24
  4. Step 4: Simplify right side
    1,207,493.34x = 1,105,840,707,634.68
  5. Step 5: Solve for x
    x = 1,105,840,707,634.68/1,207,493.34
  6. Step 6: Final answer
    x = 915,815.16

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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.