Home / 1,091,973.20-1,638,190.20-344,094.80

Finding the Fourth Proportional to 1,091,973.20, 1,638,190.20 and 344,094.80

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Solution

The fourth proportional to 1,091,973.20, 1,638,190.20 and 344,094.80 is: 516,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,973.20 : 1,638,190.20 = 344,094.80 : x
  2. Step 2: Convert to fraction form
    1,091,973.20/1,638,190.20 = 344,094.80/x
  3. Step 3: Cross multiply
    1,091,973.20x = 1,638,190.20 × 344,094.80
  4. Step 4: Simplify right side
    1,091,973.20x = 563,692,729,230.96
  5. Step 5: Solve for x
    x = 563,692,729,230.96/1,091,973.20
  6. Step 6: Final answer
    x = 516,214.80

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Double scale
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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.