Home / 816,956.59-1,127,380.39-454,379.35

Finding the Fourth Proportional to 816,956.59, 1,127,380.39 and 454,379.35

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Solution

The fourth proportional to 816,956.59, 1,127,380.39 and 454,379.35 is: 627,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,956.59 : 1,127,380.39 = 454,379.35 : x
  2. Step 2: Convert to fraction form
    816,956.59/1,127,380.39 = 454,379.35/x
  3. Step 3: Cross multiply
    816,956.59x = 1,127,380.39 × 454,379.35
  4. Step 4: Simplify right side
    816,956.59x = 512,258,368,810.95
  5. Step 5: Solve for x
    x = 512,258,368,810.95/816,956.59
  6. Step 6: Final answer
    x = 627,032.54

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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.