Home / 1,235,903.60-1,853,855.40-394,482.80

Finding the Fourth Proportional to 1,235,903.60, 1,853,855.40 and 394,482.80

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Solution

The fourth proportional to 1,235,903.60, 1,853,855.40 and 394,482.80 is: 591,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,903.60 : 1,853,855.40 = 394,482.80 : x
  2. Step 2: Convert to fraction form
    1,235,903.60/1,853,855.40 = 394,482.80/x
  3. Step 3: Cross multiply
    1,235,903.60x = 1,853,855.40 × 394,482.80
  4. Step 4: Simplify right side
    1,235,903.60x = 731,314,068,987.12
  5. Step 5: Solve for x
    x = 731,314,068,987.12/1,235,903.60
  6. Step 6: Final answer
    x = 591,724.20

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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.