Home / 762,572.30-1,052,369.14-418,408.14

Finding the Fourth Proportional to 762,572.30, 1,052,369.14 and 418,408.14

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Solution

The fourth proportional to 762,572.30, 1,052,369.14 and 418,408.14 is: 577,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,572.30 : 1,052,369.14 = 418,408.14 : x
  2. Step 2: Convert to fraction form
    762,572.30/1,052,369.14 = 418,408.14/x
  3. Step 3: Cross multiply
    762,572.30x = 1,052,369.14 × 418,408.14
  4. Step 4: Simplify right side
    762,572.30x = 440,319,809,198.95
  5. Step 5: Solve for x
    x = 440,319,809,198.95/762,572.30
  6. Step 6: Final answer
    x = 577,413.85

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1.5x scale

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.