Home / 661,784.94-993,005.46-262,417.14

Finding the Fourth Proportional to 661,784.94, 993,005.46 and 262,417.14

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Solution

The fourth proportional to 661,784.94, 993,005.46 and 262,417.14 is: 393,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,784.94 : 993,005.46 = 262,417.14 : x
  2. Step 2: Convert to fraction form
    661,784.94/993,005.46 = 262,417.14/x
  3. Step 3: Cross multiply
    661,784.94x = 993,005.46 × 262,417.14
  4. Step 4: Simplify right side
    661,784.94x = 260,581,652,817.58
  5. Step 5: Solve for x
    x = 260,581,652,817.58/661,784.94
  6. Step 6: Final answer
    x = 393,755.79

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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.