Home / 792,905.60-1,189,358.40-366,440.60

Finding the Fourth Proportional to 792,905.60, 1,189,358.40 and 366,440.60

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Solution

The fourth proportional to 792,905.60, 1,189,358.40 and 366,440.60 is: 549,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,905.60 : 1,189,358.40 = 366,440.60 : x
  2. Step 2: Convert to fraction form
    792,905.60/1,189,358.40 = 366,440.60/x
  3. Step 3: Cross multiply
    792,905.60x = 1,189,358.40 × 366,440.60
  4. Step 4: Simplify right side
    792,905.60x = 435,829,205,711.04
  5. Step 5: Solve for x
    x = 435,829,205,711.04/792,905.60
  6. Step 6: Final answer
    x = 549,660.90

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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.