Home / 725,069.03-1,000,567.44-402,799.39

Finding the Fourth Proportional to 725,069.03, 1,000,567.44 and 402,799.39

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Solution

The fourth proportional to 725,069.03, 1,000,567.44 and 402,799.39 is: 555,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,069.03 : 1,000,567.44 = 402,799.39 : x
  2. Step 2: Convert to fraction form
    725,069.03/1,000,567.44 = 402,799.39/x
  3. Step 3: Cross multiply
    725,069.03x = 1,000,567.44 × 402,799.39
  4. Step 4: Simplify right side
    725,069.03x = 403,027,954,485.86
  5. Step 5: Solve for x
    x = 403,027,954,485.86/725,069.03
  6. Step 6: Final answer
    x = 555,847.70

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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.