Home / 1,228,155.60-1,694,787.12-676,762.72

Finding the Fourth Proportional to 1,228,155.60, 1,694,787.12 and 676,762.72

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Solution

The fourth proportional to 1,228,155.60, 1,694,787.12 and 676,762.72 is: 933,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,155.60 : 1,694,787.12 = 676,762.72 : x
  2. Step 2: Convert to fraction form
    1,228,155.60/1,694,787.12 = 676,762.72/x
  3. Step 3: Cross multiply
    1,228,155.60x = 1,694,787.12 × 676,762.72
  4. Step 4: Simplify right side
    1,228,155.60x = 1,146,968,741,152.17
  5. Step 5: Solve for x
    x = 1,146,968,741,152.17/1,228,155.60
  6. Step 6: Final answer
    x = 933,895.30

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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.