Home / 691,504.18-954,287.52-381,442.34

Finding the Fourth Proportional to 691,504.18, 954,287.52 and 381,442.34

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Solution

The fourth proportional to 691,504.18, 954,287.52 and 381,442.34 is: 526,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,504.18 : 954,287.52 = 381,442.34 : x
  2. Step 2: Convert to fraction form
    691,504.18/954,287.52 = 381,442.34/x
  3. Step 3: Cross multiply
    691,504.18x = 954,287.52 × 381,442.34
  4. Step 4: Simplify right side
    691,504.18x = 364,005,664,810.39
  5. Step 5: Solve for x
    x = 364,005,664,810.39/691,504.18
  6. Step 6: Final answer
    x = 526,396.91

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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.