Home / 756,155.25-1,043,497.49-416,616.21

Finding the Fourth Proportional to 756,155.25, 1,043,497.49 and 416,616.21

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Solution

The fourth proportional to 756,155.25, 1,043,497.49 and 416,616.21 is: 574,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,155.25 : 1,043,497.49 = 416,616.21 : x
  2. Step 2: Convert to fraction form
    756,155.25/1,043,497.49 = 416,616.21/x
  3. Step 3: Cross multiply
    756,155.25x = 1,043,497.49 × 416,616.21
  4. Step 4: Simplify right side
    756,155.25x = 434,737,967,345.23
  5. Step 5: Solve for x
    x = 434,737,967,345.23/756,155.25
  6. Step 6: Final answer
    x = 574,932.15

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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.