Home / 892,815.63-1,338,084.59-418,455.87

Finding the Fourth Proportional to 892,815.63, 1,338,084.59 and 418,455.87

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Solution

The fourth proportional to 892,815.63, 1,338,084.59 and 418,455.87 is: 627,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,815.63 : 1,338,084.59 = 418,455.87 : x
  2. Step 2: Convert to fraction form
    892,815.63/1,338,084.59 = 418,455.87/x
  3. Step 3: Cross multiply
    892,815.63x = 1,338,084.59 × 418,455.87
  4. Step 4: Simplify right side
    892,815.63x = 559,929,349,149.76
  5. Step 5: Solve for x
    x = 559,929,349,149.76/892,815.63
  6. Step 6: Final answer
    x = 627,150.03

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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.