Home / 684,404.16-1,026,781.44-284,912.16

Finding the Fourth Proportional to 684,404.16, 1,026,781.44 and 284,912.16

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Solution

The fourth proportional to 684,404.16, 1,026,781.44 and 284,912.16 is: 427,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,404.16 : 1,026,781.44 = 284,912.16 : x
  2. Step 2: Convert to fraction form
    684,404.16/1,026,781.44 = 284,912.16/x
  3. Step 3: Cross multiply
    684,404.16x = 1,026,781.44 × 284,912.16
  4. Step 4: Simplify right side
    684,404.16x = 292,542,517,918.31
  5. Step 5: Solve for x
    x = 292,542,517,918.31/684,404.16
  6. Step 6: Final answer
    x = 427,441.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.