Home / 1,817,793.60-2,726,690.40-621,067.20

Finding the Fourth Proportional to 1,817,793.60, 2,726,690.40 and 621,067.20

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Solution

The fourth proportional to 1,817,793.60, 2,726,690.40 and 621,067.20 is: 931,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,793.60 : 2,726,690.40 = 621,067.20 : x
  2. Step 2: Convert to fraction form
    1,817,793.60/2,726,690.40 = 621,067.20/x
  3. Step 3: Cross multiply
    1,817,793.60x = 2,726,690.40 × 621,067.20
  4. Step 4: Simplify right side
    1,817,793.60x = 1,693,457,971,994.88
  5. Step 5: Solve for x
    x = 1,693,457,971,994.88/1,817,793.60
  6. Step 6: Final answer
    x = 931,600.80

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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.