Home / 751,336.20-1,036,841.63-407,182.01

Finding the Fourth Proportional to 751,336.20, 1,036,841.63 and 407,182.01

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Solution

The fourth proportional to 751,336.20, 1,036,841.63 and 407,182.01 is: 561,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,336.20 : 1,036,841.63 = 407,182.01 : x
  2. Step 2: Convert to fraction form
    751,336.20/1,036,841.63 = 407,182.01/x
  3. Step 3: Cross multiply
    751,336.20x = 1,036,841.63 × 407,182.01
  4. Step 4: Simplify right side
    751,336.20x = 422,183,251,734.96
  5. Step 5: Solve for x
    x = 422,183,251,734.96/751,336.20
  6. Step 6: Final answer
    x = 561,909.90

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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.