Home / 641,053.46-961,225.31-262,240.36

Finding the Fourth Proportional to 641,053.46, 961,225.31 and 262,240.36

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Solution

The fourth proportional to 641,053.46, 961,225.31 and 262,240.36 is: 393,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,053.46 : 961,225.31 = 262,240.36 : x
  2. Step 2: Convert to fraction form
    641,053.46/961,225.31 = 262,240.36/x
  3. Step 3: Cross multiply
    641,053.46x = 961,225.31 × 262,240.36
  4. Step 4: Simplify right side
    641,053.46x = 252,072,069,588.05
  5. Step 5: Solve for x
    x = 252,072,069,588.05/641,053.46
  6. Step 6: Final answer
    x = 393,215.36

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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.