Home / 750,853.40-1,036,190.94-411,299.60

Finding the Fourth Proportional to 750,853.40, 1,036,190.94 and 411,299.60

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Solution

The fourth proportional to 750,853.40, 1,036,190.94 and 411,299.60 is: 567,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,853.40 : 1,036,190.94 = 411,299.60 : x
  2. Step 2: Convert to fraction form
    750,853.40/1,036,190.94 = 411,299.60/x
  3. Step 3: Cross multiply
    750,853.40x = 1,036,190.94 × 411,299.60
  4. Step 4: Simplify right side
    750,853.40x = 426,184,919,145.62
  5. Step 5: Solve for x
    x = 426,184,919,145.62/750,853.40
  6. Step 6: Final answer
    x = 567,600.70

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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.