Home / 1,330,558.40-1,995,837.60-620,658.20

Finding the Fourth Proportional to 1,330,558.40, 1,995,837.60 and 620,658.20

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Solution

The fourth proportional to 1,330,558.40, 1,995,837.60 and 620,658.20 is: 930,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,558.40 : 1,995,837.60 = 620,658.20 : x
  2. Step 2: Convert to fraction form
    1,330,558.40/1,995,837.60 = 620,658.20/x
  3. Step 3: Cross multiply
    1,330,558.40x = 1,995,837.60 × 620,658.20
  4. Step 4: Simplify right side
    1,330,558.40x = 1,238,732,972,308.32
  5. Step 5: Solve for x
    x = 1,238,732,972,308.32/1,330,558.40
  6. Step 6: Final answer
    x = 930,987.30

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Similar ratio
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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.