Home / 961,014.40-1,326,142.87-531,268.90

Finding the Fourth Proportional to 961,014.40, 1,326,142.87 and 531,268.90

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Solution

The fourth proportional to 961,014.40, 1,326,142.87 and 531,268.90 is: 733,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,014.40 : 1,326,142.87 = 531,268.90 : x
  2. Step 2: Convert to fraction form
    961,014.40/1,326,142.87 = 531,268.90/x
  3. Step 3: Cross multiply
    961,014.40x = 1,326,142.87 × 531,268.90
  4. Step 4: Simplify right side
    961,014.40x = 704,538,459,144.21
  5. Step 5: Solve for x
    x = 704,538,459,144.21/961,014.40
  6. Step 6: Final answer
    x = 733,119.57

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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.