Home / 389,856.60-584,784.90-94,368.60

Finding the Fourth Proportional to 389,856.60, 584,784.90 and 94,368.60

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Solution

The fourth proportional to 389,856.60, 584,784.90 and 94,368.60 is: 141,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,856.60 : 584,784.90 = 94,368.60 : x
  2. Step 2: Convert to fraction form
    389,856.60/584,784.90 = 94,368.60/x
  3. Step 3: Cross multiply
    389,856.60x = 584,784.90 × 94,368.60
  4. Step 4: Simplify right side
    389,856.60x = 55,185,332,314.14
  5. Step 5: Solve for x
    x = 55,185,332,314.14/389,856.60
  6. Step 6: Final answer
    x = 141,552.90

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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.