Home / 858,787.95-1,185,164.39-476,814.75

Finding the Fourth Proportional to 858,787.95, 1,185,164.39 and 476,814.75

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Solution

The fourth proportional to 858,787.95, 1,185,164.39 and 476,814.75 is: 658,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,787.95 : 1,185,164.39 = 476,814.75 : x
  2. Step 2: Convert to fraction form
    858,787.95/1,185,164.39 = 476,814.75/x
  3. Step 3: Cross multiply
    858,787.95x = 1,185,164.39 × 476,814.75
  4. Step 4: Simplify right side
    858,787.95x = 565,103,859,942.68
  5. Step 5: Solve for x
    x = 565,103,859,942.68/858,787.95
  6. Step 6: Final answer
    x = 658,024.91

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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.