Home / 641,036.15-961,882.26-262,236.81

Finding the Fourth Proportional to 641,036.15, 961,882.26 and 262,236.81

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Solution

The fourth proportional to 641,036.15, 961,882.26 and 262,236.81 is: 393,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,036.15 : 961,882.26 = 262,236.81 : x
  2. Step 2: Convert to fraction form
    641,036.15/961,882.26 = 262,236.81/x
  3. Step 3: Cross multiply
    641,036.15x = 961,882.26 × 262,236.81
  4. Step 4: Simplify right side
    641,036.15x = 252,240,935,457.99
  5. Step 5: Solve for x
    x = 252,240,935,457.99/641,036.15
  6. Step 6: Final answer
    x = 393,489.41

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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.