Home / 792,103.60-1,188,155.40-437,809.60

Finding the Fourth Proportional to 792,103.60, 1,188,155.40 and 437,809.60

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Solution

The fourth proportional to 792,103.60, 1,188,155.40 and 437,809.60 is: 656,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,103.60 : 1,188,155.40 = 437,809.60 : x
  2. Step 2: Convert to fraction form
    792,103.60/1,188,155.40 = 437,809.60/x
  3. Step 3: Cross multiply
    792,103.60x = 1,188,155.40 × 437,809.60
  4. Step 4: Simplify right side
    792,103.60x = 520,185,840,411.84
  5. Step 5: Solve for x
    x = 520,185,840,411.84/792,103.60
  6. Step 6: Final answer
    x = 656,714.40

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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.