Home / 389,904.60-584,856.90-94,416.60

Finding the Fourth Proportional to 389,904.60, 584,856.90 and 94,416.60

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Solution

The fourth proportional to 389,904.60, 584,856.90 and 94,416.60 is: 141,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,904.60 : 584,856.90 = 94,416.60 : x
  2. Step 2: Convert to fraction form
    389,904.60/584,856.90 = 94,416.60/x
  3. Step 3: Cross multiply
    389,904.60x = 584,856.90 × 94,416.60
  4. Step 4: Simplify right side
    389,904.60x = 55,220,199,984.54
  5. Step 5: Solve for x
    x = 55,220,199,984.54/389,904.60
  6. Step 6: Final answer
    x = 141,624.90

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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.