Home / 961,639.46-1,441,185.03-511,390.83

Finding the Fourth Proportional to 961,639.46, 1,441,185.03 and 511,390.83

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Solution

The fourth proportional to 961,639.46, 1,441,185.03 and 511,390.83 is: 766,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,639.46 : 1,441,185.03 = 511,390.83 : x
  2. Step 2: Convert to fraction form
    961,639.46/1,441,185.03 = 511,390.83/x
  3. Step 3: Cross multiply
    961,639.46x = 1,441,185.03 × 511,390.83
  4. Step 4: Simplify right side
    961,639.46x = 737,008,808,675.28
  5. Step 5: Solve for x
    x = 737,008,808,675.28/961,639.46
  6. Step 6: Final answer
    x = 766,408.66

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1.5x scale

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.