Home / 1,224,790.56-1,690,114.95-680,893.25

Finding the Fourth Proportional to 1,224,790.56, 1,690,114.95 and 680,893.25

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Solution

The fourth proportional to 1,224,790.56, 1,690,114.95 and 680,893.25 is: 939,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,790.56 : 1,690,114.95 = 680,893.25 : x
  2. Step 2: Convert to fraction form
    1,224,790.56/1,690,114.95 = 680,893.25/x
  3. Step 3: Cross multiply
    1,224,790.56x = 1,690,114.95 × 680,893.25
  4. Step 4: Simplify right side
    1,224,790.56x = 1,150,787,852,728.51
  5. Step 5: Solve for x
    x = 1,150,787,852,728.51/1,224,790.56
  6. Step 6: Final answer
    x = 939,579.30

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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.