Home / 1,291,714.60-1,936,880.70-542,914.60

Finding the Fourth Proportional to 1,291,714.60, 1,936,880.70 and 542,914.60

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Solution

The fourth proportional to 1,291,714.60, 1,936,880.70 and 542,914.60 is: 814,081.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,714.60 : 1,936,880.70 = 542,914.60 : x
  2. Step 2: Convert to fraction form
    1,291,714.60/1,936,880.70 = 542,914.60/x
  3. Step 3: Cross multiply
    1,291,714.60x = 1,936,880.70 × 542,914.60
  4. Step 4: Simplify right side
    1,291,714.60x = 1,051,560,810,488.22
  5. Step 5: Solve for x
    x = 1,051,560,810,488.22/1,291,714.60
  6. Step 6: Final answer
    x = 814,081.38

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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.