Home / 442,581.12-663,278.72-414,237.60

Finding the Fourth Proportional to 442,581.12, 663,278.72 and 414,237.60

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Solution

The fourth proportional to 442,581.12, 663,278.72 and 414,237.60 is: 620,801.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,581.12 : 663,278.72 = 414,237.60 : x
  2. Step 2: Convert to fraction form
    442,581.12/663,278.72 = 414,237.60/x
  3. Step 3: Cross multiply
    442,581.12x = 663,278.72 × 414,237.60
  4. Step 4: Simplify right side
    442,581.12x = 274,754,983,032.68
  5. Step 5: Solve for x
    x = 274,754,983,032.68/442,581.12
  6. Step 6: Final answer
    x = 620,801.41

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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.