Home / 751,588.75-1,037,193.86-407,423.61

Finding the Fourth Proportional to 751,588.75, 1,037,193.86 and 407,423.61

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Solution

The fourth proportional to 751,588.75, 1,037,193.86 and 407,423.61 is: 562,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,588.75 : 1,037,193.86 = 407,423.61 : x
  2. Step 2: Convert to fraction form
    751,588.75/1,037,193.86 = 407,423.61/x
  3. Step 3: Cross multiply
    751,588.75x = 1,037,193.86 × 407,423.61
  4. Step 4: Simplify right side
    751,588.75x = 422,577,266,711.04
  5. Step 5: Solve for x
    x = 422,577,266,711.04/751,588.75
  6. Step 6: Final answer
    x = 562,245.33

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Half scale
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Double scale
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Similar ratio
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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.