Home / 1,615,279.35-2,229,100.25-890,153.09

Finding the Fourth Proportional to 1,615,279.35, 2,229,100.25 and 890,153.09

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Solution

The fourth proportional to 1,615,279.35, 2,229,100.25 and 890,153.09 is: 1,228,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,279.35 : 2,229,100.25 = 890,153.09 : x
  2. Step 2: Convert to fraction form
    1,615,279.35/2,229,100.25 = 890,153.09/x
  3. Step 3: Cross multiply
    1,615,279.35x = 2,229,100.25 × 890,153.09
  4. Step 4: Simplify right side
    1,615,279.35x = 1,984,240,475,457.27
  5. Step 5: Solve for x
    x = 1,984,240,475,457.27/1,615,279.35
  6. Step 6: Final answer
    x = 1,228,419.39

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.