Home / 974,991.20-1,462,669.96-442,549.66

Finding the Fourth Proportional to 974,991.20, 1,462,669.96 and 442,549.66

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Solution

The fourth proportional to 974,991.20, 1,462,669.96 and 442,549.66 is: 663,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,991.20 : 1,462,669.96 = 442,549.66 : x
  2. Step 2: Convert to fraction form
    974,991.20/1,462,669.96 = 442,549.66/x
  3. Step 3: Cross multiply
    974,991.20x = 1,462,669.96 × 442,549.66
  4. Step 4: Simplify right side
    974,991.20x = 647,304,093,490.21
  5. Step 5: Solve for x
    x = 647,304,093,490.21/974,991.20
  6. Step 6: Final answer
    x = 663,907.63

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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.