Home / 751,378.50-1,037,008.62-464,990.85

Finding the Fourth Proportional to 751,378.50, 1,037,008.62 and 464,990.85

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Solution

The fourth proportional to 751,378.50, 1,037,008.62 and 464,990.85 is: 641,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,378.50 : 1,037,008.62 = 464,990.85 : x
  2. Step 2: Convert to fraction form
    751,378.50/1,037,008.62 = 464,990.85/x
  3. Step 3: Cross multiply
    751,378.50x = 1,037,008.62 × 464,990.85
  4. Step 4: Simplify right side
    751,378.50x = 482,199,519,671.13
  5. Step 5: Solve for x
    x = 482,199,519,671.13/751,378.50
  6. Step 6: Final answer
    x = 641,753.15

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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.