Home / 919,364.04-1,268,732.04-505,906.32

Finding the Fourth Proportional to 919,364.04, 1,268,732.04 and 505,906.32

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Solution

The fourth proportional to 919,364.04, 1,268,732.04 and 505,906.32 is: 698,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,364.04 : 1,268,732.04 = 505,906.32 : x
  2. Step 2: Convert to fraction form
    919,364.04/1,268,732.04 = 505,906.32/x
  3. Step 3: Cross multiply
    919,364.04x = 1,268,732.04 × 505,906.32
  4. Step 4: Simplify right side
    919,364.04x = 641,859,557,422.49
  5. Step 5: Solve for x
    x = 641,859,557,422.49/919,364.04
  6. Step 6: Final answer
    x = 698,156.04

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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.