Home / 1,228,156.60-1,694,788.50-676,763.72

Finding the Fourth Proportional to 1,228,156.60, 1,694,788.50 and 676,763.72

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Solution

The fourth proportional to 1,228,156.60, 1,694,788.50 and 676,763.72 is: 933,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,156.60 : 1,694,788.50 = 676,763.72 : x
  2. Step 2: Convert to fraction form
    1,228,156.60/1,694,788.50 = 676,763.72/x
  3. Step 3: Cross multiply
    1,228,156.60x = 1,694,788.50 × 676,763.72
  4. Step 4: Simplify right side
    1,228,156.60x = 1,146,971,369,873.22
  5. Step 5: Solve for x
    x = 1,146,971,369,873.22/1,228,156.60
  6. Step 6: Final answer
    x = 933,896.68

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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.