Home / 1,657,679.60-2,486,519.40-859,205.90

Finding the Fourth Proportional to 1,657,679.60, 2,486,519.40 and 859,205.90

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Solution

The fourth proportional to 1,657,679.60, 2,486,519.40 and 859,205.90 is: 1,288,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,679.60 : 2,486,519.40 = 859,205.90 : x
  2. Step 2: Convert to fraction form
    1,657,679.60/2,486,519.40 = 859,205.90/x
  3. Step 3: Cross multiply
    1,657,679.60x = 2,486,519.40 × 859,205.90
  4. Step 4: Simplify right side
    1,657,679.60x = 2,136,432,138,944.46
  5. Step 5: Solve for x
    x = 2,136,432,138,944.46/1,657,679.60
  6. Step 6: Final answer
    x = 1,288,808.85

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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.