Home / 961,415.40-1,441,685.70-512,020.92

Finding the Fourth Proportional to 961,415.40, 1,441,685.70 and 512,020.92

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Solution

The fourth proportional to 961,415.40, 1,441,685.70 and 512,020.92 is: 767,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,415.40 : 1,441,685.70 = 512,020.92 : x
  2. Step 2: Convert to fraction form
    961,415.40/1,441,685.70 = 512,020.92/x
  3. Step 3: Cross multiply
    961,415.40x = 1,441,685.70 × 512,020.92
  4. Step 4: Simplify right side
    961,415.40x = 738,173,238,464.84
  5. Step 5: Solve for x
    x = 738,173,238,464.84/961,415.40
  6. Step 6: Final answer
    x = 767,798.43

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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.