Home / 792,534.16-1,188,840.12-319,155.58

Finding the Fourth Proportional to 792,534.16, 1,188,840.12 and 319,155.58

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Solution

The fourth proportional to 792,534.16, 1,188,840.12 and 319,155.58 is: 478,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,534.16 : 1,188,840.12 = 319,155.58 : x
  2. Step 2: Convert to fraction form
    792,534.16/1,188,840.12 = 319,155.58/x
  3. Step 3: Cross multiply
    792,534.16x = 1,188,840.12 × 319,155.58
  4. Step 4: Simplify right side
    792,534.16x = 379,424,958,025.87
  5. Step 5: Solve for x
    x = 379,424,958,025.87/792,534.16
  6. Step 6: Final answer
    x = 478,749.03

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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.