Home / 1,395,989.60-2,093,984.40-917,692.70

Finding the Fourth Proportional to 1,395,989.60, 2,093,984.40 and 917,692.70

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Solution

The fourth proportional to 1,395,989.60, 2,093,984.40 and 917,692.70 is: 1,376,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,989.60 : 2,093,984.40 = 917,692.70 : x
  2. Step 2: Convert to fraction form
    1,395,989.60/2,093,984.40 = 917,692.70/x
  3. Step 3: Cross multiply
    1,395,989.60x = 2,093,984.40 × 917,692.70
  4. Step 4: Simplify right side
    1,395,989.60x = 1,921,634,197,793.88
  5. Step 5: Solve for x
    x = 1,921,634,197,793.88/1,395,989.60
  6. Step 6: Final answer
    x = 1,376,539.05

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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.