Home / 858,153.60-1,286,841.60-325,497.60

Finding the Fourth Proportional to 858,153.60, 1,286,841.60 and 325,497.60

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Solution

The fourth proportional to 858,153.60, 1,286,841.60 and 325,497.60 is: 488,098.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,153.60 : 1,286,841.60 = 325,497.60 : x
  2. Step 2: Convert to fraction form
    858,153.60/1,286,841.60 = 325,497.60/x
  3. Step 3: Cross multiply
    858,153.60x = 1,286,841.60 × 325,497.60
  4. Step 4: Simplify right side
    858,153.60x = 418,863,852,380.16
  5. Step 5: Solve for x
    x = 418,863,852,380.16/858,153.60
  6. Step 6: Final answer
    x = 488,098.93

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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.