Home / 965,724.30-1,448,586.45-291,909.60

Finding the Fourth Proportional to 965,724.30, 1,448,586.45 and 291,909.60

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Solution

The fourth proportional to 965,724.30, 1,448,586.45 and 291,909.60 is: 437,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,724.30 : 1,448,586.45 = 291,909.60 : x
  2. Step 2: Convert to fraction form
    965,724.30/1,448,586.45 = 291,909.60/x
  3. Step 3: Cross multiply
    965,724.30x = 1,448,586.45 × 291,909.60
  4. Step 4: Simplify right side
    965,724.30x = 422,856,291,184.92
  5. Step 5: Solve for x
    x = 422,856,291,184.92/965,724.30
  6. Step 6: Final answer
    x = 437,864.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.