Home / 854,025.93-1,178,435.39-486,512.73

Finding the Fourth Proportional to 854,025.93, 1,178,435.39 and 486,512.73

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Solution

The fourth proportional to 854,025.93, 1,178,435.39 and 486,512.73 is: 671,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,025.93 : 1,178,435.39 = 486,512.73 : x
  2. Step 2: Convert to fraction form
    854,025.93/1,178,435.39 = 486,512.73/x
  3. Step 3: Cross multiply
    854,025.93x = 1,178,435.39 × 486,512.73
  4. Step 4: Simplify right side
    854,025.93x = 573,323,816,284.95
  5. Step 5: Solve for x
    x = 573,323,816,284.95/854,025.93
  6. Step 6: Final answer
    x = 671,318.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.