Home / 782,900.91-1,080,385.56-456,193.71

Finding the Fourth Proportional to 782,900.91, 1,080,385.56 and 456,193.71

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Solution

The fourth proportional to 782,900.91, 1,080,385.56 and 456,193.71 is: 629,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,900.91 : 1,080,385.56 = 456,193.71 : x
  2. Step 2: Convert to fraction form
    782,900.91/1,080,385.56 = 456,193.71/x
  3. Step 3: Cross multiply
    782,900.91x = 1,080,385.56 × 456,193.71
  4. Step 4: Simplify right side
    782,900.91x = 492,865,096,846.83
  5. Step 5: Solve for x
    x = 492,865,096,846.83/782,900.91
  6. Step 6: Final answer
    x = 629,537.01

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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.